67400136 has 24 divisors (see below), whose sum is σ = 182542230. Its totient is φ = 22466688.

The previous prime is 67400117. The next prime is 67400149. The reversal of 67400136 is 63100476.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 31472100 = 5994^2 + 5610^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467985 + ... + 468128.

Almost surely, 2^67400136 is an apocalyptic number.

It is an amenable number.

67400136 is an abundant number, since it is smaller than the sum of its proper divisors (115142094).

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

67400136 is a wasteful number, since it uses less digits than its factorization.

67400136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936125 (or 936118 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 67400136 is about 8209.7585835395. The cubic root of 67400136 is about 406.9617488657.

The spelling of 67400136 in words is "sixty-seven million, four hundred thousand, one hundred thirty-six".