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131890153 = 1941169307
BaseRepresentation
bin1111101110001…
…11101111101001
3100012011201021111
413313013233221
5232230441103
621030510321
73161022253
oct767075751
9305151244
10131890153
11684a302a
12382053a1
132142ac15
1413732cd3
15b8a386d
hex7dc7be9

131890153 has 8 divisors (see below), whose sum is σ = 142218720. Its totient is φ = 121900320.

The previous prime is 131890147. The next prime is 131890207. The reversal of 131890153 is 351098131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131890153 - 217 = 131759081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131890123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83875 + ... + 85432.

It is an arithmetic number, because the mean of its divisors is an integer number (17777340).

Almost surely, 2131890153 is an apocalyptic number.

It is an amenable number.

131890153 is a deficient number, since it is larger than the sum of its proper divisors (10328567).

131890153 is a wasteful number, since it uses less digits than its factorization.

131890153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169367.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 131890153 is about 11484.3438210461. The cubic root of 131890153 is about 509.0230599542.

The spelling of 131890153 in words is "one hundred thirty-one million, eight hundred ninety thousand, one hundred fifty-three".

Divisors: 1 19 41 779 169307 3216833 6941587 131890153