149399001684 has 72 divisors (see below), whose sum is σ = 389473244160. Its totient is φ = 48258467712.

The previous prime is 149399001629. The next prime is 149399001701. The reversal of 149399001684 is 486100993941.

It is a happy number.

149399001684 is a `hidden beast` number, since 1 + 493 + 9 + 90 + 0 + 1 + 68 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 149399001684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183369 + ... + 576560.

Almost surely, 2^149399001684 is an apocalyptic number.

It is an amenable number.

149399001684 is an abundant number, since it is smaller than the sum of its proper divisors (240074242476).

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

149399001684 is a wasteful number, since it uses less digits than its factorization.

149399001684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760109 (or 760104 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 149399001684 in words is "one hundred forty-nine billion, three hundred ninety-nine million, one thousand, six hundred eighty-four".