135938396371 has 16 divisors (see below), whose sum is σ = 138215324160. Its totient is φ = 133672109760.

The previous prime is 135938396353. The next prime is 135938396393. The reversal of 135938396371 is 173693839531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135938396371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135938399371) 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, 59179695 + ... + 59181991.

It is an arithmetic number, because the mean of its divisors is an integer number (8638457760).

Almost surely, 2^135938396371 is an apocalyptic number.

135938396371 is a deficient number, since it is larger than the sum of its proper divisors (2276927789).

135938396371 is an equidigital number, since it uses as much as digits as its factorization.

135938396371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194.

The product of its digits is 11022480, while the sum is 58.

The spelling of 135938396371 in words is "one hundred thirty-five billion, nine hundred thirty-eight million, three hundred ninety-six thousand, three hundred seventy-one".