138857001376403 has 16 divisors (see below), whose sum is σ = 147038567500800. Its totient is φ = 130763332919520.

The previous prime is 138857001376397. The next prime is 138857001376409. The reversal of 138857001376403 is 304673100758831.

It is an interprime number because it is at equal distance from previous prime (138857001376397) and next prime (138857001376409).

It is a cyclic number.

It is not a de Polignac number, because 138857001376403 - 2⁶ = 138857001376339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138857001376409) 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, 933125 + ... + 16690857.

It is an arithmetic number, because the mean of its divisors is an integer number (9189910468800).

Almost surely, 2^{138857001376403} is an apocalyptic number.

138857001376403 is a deficient number, since it is larger than the sum of its proper divisors (8181566124397).

138857001376403 is a wasteful number, since it uses less digits than its factorization.

138857001376403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760522.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 138857001376403 in words is "one hundred thirty-eight trillion, eight hundred fifty-seven billion, one million, three hundred seventy-six thousand, four hundred three".