149064137868 has 12 divisors (see below), whose sum is σ = 347816321720. Its totient is φ = 49688045952.

The previous prime is 149064137867. The next prime is 149064137899. The reversal of 149064137868 is 868731460941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×149064137868² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149064137867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6211005733 + ... + 6211005756.

Almost surely, 2^149064137868 is an apocalyptic number.

It is an amenable number.

149064137868 is an abundant number, since it is smaller than the sum of its proper divisors (198752183852).

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

149064137868 is a wasteful number, since it uses less digits than its factorization.

149064137868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422011496 (or 12422011494 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 149064137868 in words is "one hundred forty-nine billion, sixty-four million, one hundred thirty-seven thousand, eight hundred sixty-eight".