68000136 has 32 divisors (see below), whose sum is σ = 180001440. Its totient is φ = 21333248.

The previous prime is 68000129. The next prime is 68000137. The reversal of 68000136 is 63100086.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (68000137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82926 + ... + 83741.

It is an arithmetic number, because the mean of its divisors is an integer number (5625045).

Almost surely, 2^68000136 is an apocalyptic number.

It is an amenable number.

68000136 is an abundant number, since it is smaller than the sum of its proper divisors (112001304).

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

68000136 is a wasteful number, since it uses less digits than its factorization.

68000136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166693 (or 166689 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 68000136 is about 8246.2194974424. The cubic root of 68000136 is about 408.1657823019.

The spelling of 68000136 in words is "sixty-eight million, one hundred thirty-six", and thus it is an aban number.