146339627931 has 18 divisors (see below), whose sum is σ = 245890395972. Its totient is φ = 83622644280.

The previous prime is 146339627927. The next prime is 146339627957. The reversal of 146339627931 is 139726933641.

146339627931 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 3 + 9 + 627 + 9 + 3 + 1 = 666.

It is not a de Polignac number, because 146339627931 - 2² = 146339627927 is a prime.

It is a super-2 number, since 2×146339627931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146339627911) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 165917505 + ... + 165918386.

It is an arithmetic number, because the mean of its divisors is an integer number (13660577554).

Almost surely, 2^146339627931 is an apocalyptic number.

146339627931 is a deficient number, since it is larger than the sum of its proper divisors (99550768041).

146339627931 is a wasteful number, since it uses less digits than its factorization.

146339627931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331835911 (or 331835901 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 146339627931 in words is "one hundred forty-six billion, three hundred thirty-nine million, six hundred twenty-seven thousand, nine hundred thirty-one".