135706794215 has 16 divisors (see below), whose sum is σ = 167280329568. Its totient is φ = 105611734656.

The previous prime is 135706794199. The next prime is 135706794227. The reversal of 135706794215 is 512497607531.

It is a cyclic number.

It is not a de Polignac number, because 135706794215 - 2⁴ = 135706794199 is a prime.

It is a super-2 number, since 2×135706794215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980924 + ... + 1110686.

It is an arithmetic number, because the mean of its divisors is an integer number (10455020598).

Almost surely, 2^135706794215 is an apocalyptic number.

135706794215 is a deficient number, since it is larger than the sum of its proper divisors (31573535353).

135706794215 is a wasteful number, since it uses less digits than its factorization.

135706794215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135458.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 135706794215 in words is "one hundred thirty-five billion, seven hundred six million, seven hundred ninety-four thousand, two hundred fifteen".