138601400527 has 16 divisors (see below), whose sum is σ = 147050677440. Its totient is φ = 130355596800.

The previous prime is 138601400521. The next prime is 138601400533. The reversal of 138601400527 is 725004106831.

It is an interprime number because it is at equal distance from previous prime (138601400521) and next prime (138601400533).

It is a cyclic number.

It is not a de Polignac number, because 138601400527 - 2¹¹ = 138601398479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138601400521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4317877 + ... + 4349857.

It is an arithmetic number, because the mean of its divisors is an integer number (9190667340).

Almost surely, 2^138601400527 is an apocalyptic number.

138601400527 is a deficient number, since it is larger than the sum of its proper divisors (8449276913).

138601400527 is a wasteful number, since it uses less digits than its factorization.

138601400527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35154.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 138601400527 in words is "one hundred thirty-eight billion, six hundred one million, four hundred thousand, five hundred twenty-seven".