601138900136 has 16 divisors (see below), whose sum is σ = 1127149177140. Its totient is φ = 300565786240.

The previous prime is 601138900127. The next prime is 601138900247. The reversal of 601138900136 is 631009831106.

It can be written as a sum of positive squares in 2 ways, for example, as 515084677636 + 86054222500 = 717694^2 + 293350^2 .

It is a super-2 number, since 2×601138900136² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 601138900136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316346 + ... + 1141206.

Almost surely, 2^601138900136 is an apocalyptic number.

It is an amenable number.

601138900136 is a deficient number, since it is larger than the sum of its proper divisors (526010277004).

601138900136 is a wasteful number, since it uses less digits than its factorization.

601138900136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915964 (or 915960 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 601138900136 in words is "six hundred one billion, one hundred thirty-eight million, nine hundred thousand, one hundred thirty-six".