138013051255 has 8 divisors (see below), whose sum is σ = 168740485632. Its totient is φ = 108327224928.

The previous prime is 138013051237. The next prime is 138013051273. The reversal of 138013051255 is 552150310831.

It is an interprime number because it is at equal distance from previous prime (138013051237) and next prime (138013051273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138013051255 - 2⁵ = 138013051223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138013051255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260401719 + ... + 260402248.

It is an arithmetic number, because the mean of its divisors is an integer number (21092560704).

Almost surely, 2^138013051255 is an apocalyptic number.

138013051255 is a deficient number, since it is larger than the sum of its proper divisors (30727434377).

138013051255 is an equidigital number, since it uses as much as digits as its factorization.

138013051255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520804025.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 138013051255 in words is "one hundred thirty-eight billion, thirteen million, fifty-one thousand, two hundred fifty-five".