135402044355 has 24 divisors (see below), whose sum is σ = 234724089600. Its totient is φ = 72206050560.

The previous prime is 135402044347. The next prime is 135402044399. The reversal of 135402044355 is 553440204531.

135402044355 is a `hidden beast` number, since 1 + 3 + 540 + 20 + 4 + 43 + 55 = 666.

It is not a de Polignac number, because 135402044355 - 2³ = 135402044347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228190 + ... + 568220.

It is an arithmetic number, because the mean of its divisors is an integer number (9780170400).

Almost surely, 2^135402044355 is an apocalyptic number.

135402044355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135402044355 is a deficient number, since it is larger than the sum of its proper divisors (99322045245).

135402044355 is a wasteful number, since it uses less digits than its factorization.

135402044355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348891 (or 348888 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 135402044355 its reverse (553440204531), we get a palindrome (688842248886).

The spelling of 135402044355 in words is "one hundred thirty-five billion, four hundred two million, forty-four thousand, three hundred fifty-five".