146136441231 has 24 divisors (see below), whose sum is σ = 232427729664. Its totient is φ = 87739799760.

The previous prime is 146136441211. The next prime is 146136441247. The reversal of 146136441231 is 132144631641.

146136441231 is a `hidden beast` number, since 1 + 4 + 6 + 1 + 3 + 644 + 1 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 146136441231 - 2¹⁹ = 146135916943 is a prime.

It is a super-2 number, since 2×146136441231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146136441211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6887191 + ... + 6908376.

It is an arithmetic number, because the mean of its divisors is an integer number (9684488736).

Almost surely, 2^146136441231 is an apocalyptic number.

146136441231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146136441231 is a deficient number, since it is larger than the sum of its proper divisors (86291288433).

146136441231 is a wasteful number, since it uses less digits than its factorization.

146136441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795691 (or 13795688 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 146136441231 in words is "one hundred forty-six billion, one hundred thirty-six million, four hundred forty-one thousand, two hundred thirty-one".