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BaseRepresentation
bin10000101100010…
…11000010110011
3100202111021020011
420112023002303
5241321431011
621521155351
73320144053
oct1026130263
9322437204
10140030131
117205278a
123aa8bb57
132301ac87
1414851563
15c460621
hex858b0b3

140030131 has 8 divisors (see below), whose sum is σ = 145280000. Its totient is φ = 134826120.

The previous prime is 140030119. The next prime is 140030147. The reversal of 140030131 is 131030041.

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 140030131 - 227 = 5812403 is a prime.

It is a super-2 number, since 2×1400301312 = 39216875175754322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140030101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5181 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (18160000).

Almost surely, 2140030131 is an apocalyptic number.

140030131 is a deficient number, since it is larger than the sum of its proper divisors (5249869).

140030131 is a wasteful number, since it uses less digits than its factorization.

140030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22929.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 140030131 is about 11833.4327648405. The cubic root of 140030131 is about 519.2866587130.

Adding to 140030131 its reverse (131030041), we get a palindrome (271060172).

The spelling of 140030131 in words is "one hundred forty million, thirty thousand, one hundred thirty-one".