149431790739 has 64 divisors (see below), whose sum is σ = 258714058752. Its totient is φ = 74464790400.

The previous prime is 149431790693. The next prime is 149431790747. The reversal of 149431790739 is 937097134941.

It is not a de Polignac number, because 149431790739 - 2⁸ = 149431790483 is a prime.

It is a super-2 number, since 2×149431790739² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149431790239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 483714 + ... + 729960.

It is an arithmetic number, because the mean of its divisors is an integer number (4042407168).

Almost surely, 2^149431790739 is an apocalyptic number.

149431790739 is a deficient number, since it is larger than the sum of its proper divisors (109282268013).

149431790739 is a wasteful number, since it uses less digits than its factorization.

149431790739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246376.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 149431790739 in words is "one hundred forty-nine billion, four hundred thirty-one million, seven hundred ninety thousand, seven hundred thirty-nine".