135861356235 has 16 divisors (see below), whose sum is σ = 237139822080. Its totient is φ = 65872172640.

The previous prime is 135861356227. The next prime is 135861356269. The reversal of 135861356235 is 532653168531.

It is not a de Polignac number, because 135861356235 - 2³ = 135861356227 is a prime.

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, 411700915 + ... + 411701244.

It is an arithmetic number, because the mean of its divisors is an integer number (14821238880).

Almost surely, 2^135861356235 is an apocalyptic number.

135861356235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135861356235 is a deficient number, since it is larger than the sum of its proper divisors (101278465845).

135861356235 is a wasteful number, since it uses less digits than its factorization.

135861356235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823402178.

The product of its digits is 1944000, while the sum is 48.

The spelling of 135861356235 in words is "one hundred thirty-five billion, eight hundred sixty-one million, three hundred fifty-six thousand, two hundred thirty-five".