64007138 has 16 divisors (see below), whose sum is σ = 105598080. Its totient is φ = 28912656.

The previous prime is 64007131. The next prime is 64007149. The reversal of 64007138 is 83170046.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64007138.

It is not an unprimeable number, because it can be changed into a prime (64007131) 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, 24968 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (6599880).

Almost surely, 2^64007138 is an apocalyptic number.

64007138 is a deficient number, since it is larger than the sum of its proper divisors (41590942).

64007138 is a wasteful number, since it uses less digits than its factorization.

64007138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52441.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 64007138 is about 8000.4461125615. The cubic root of 64007138 is about 400.0148702805.

The spelling of 64007138 in words is "sixty-four million, seven thousand, one hundred thirty-eight".