149093831620 has 24 divisors (see below), whose sum is σ = 314116919424. Its totient is φ = 59443271136.

The previous prime is 149093831617. The next prime is 149093831633. The reversal of 149093831620 is 26138390941.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12135052 + ... + 12147331.

It is an arithmetic number, because the mean of its divisors is an integer number (13088204976).

Almost surely, 2^149093831620 is an apocalyptic number.

149093831620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149093831620 is an abundant number, since it is smaller than the sum of its proper divisors (165023087804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149093831620 is a wasteful number, since it uses less digits than its factorization.

149093831620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24282699 (or 24282697 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 149093831620 in words is "one hundred forty-nine billion, ninety-three million, eight hundred thirty-one thousand, six hundred twenty".