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131435503140 = 2235193116322817
BaseRepresentation
bin111101001101000101…
…0101001111000100100
3110120020222002100201210
41322122022221320210
54123134442100030
6140214114551420
712332044225464
oct1723212517044
9416228070653
10131435503140
1150817a07967
1221581598570
13c518404086
14650bdbdba4
153643dbcbb0
hex1e9a2a9e24

131435503140 has 192 divisors, whose sum is σ = 402356183040. Its totient is φ = 31935098880.

The previous prime is 131435503097. The next prime is 131435503151. The reversal of 131435503140 is 41305534131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 131435503098 and 131435503107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5749012 + ... + 5771828.

It is an arithmetic number, because the mean of its divisors is an integer number (2095605120).

Almost surely, 2131435503140 is an apocalyptic number.

131435503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131435503140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201178091520).

131435503140 is an abundant number, since it is smaller than the sum of its proper divisors (270920679900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131435503140 is a wasteful number, since it uses less digits than its factorization.

131435503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042 (or 23040 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 131435503140 in words is "one hundred thirty-one billion, four hundred thirty-five million, five hundred three thousand, one hundred forty".