135431130605 has 8 divisors (see below), whose sum is σ = 163425276000. Its totient is φ = 107739624976.

The previous prime is 135431130563. The next prime is 135431130641. The reversal of 135431130605 is 506031134531.

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 135431130605 - 2⁸ = 135431130349 is a prime.

It is a super-2 number, since 2×135431130605² (a number of 23 digits) contains 22 as substring.

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, 75658955 + ... + 75660744.

It is an arithmetic number, because the mean of its divisors is an integer number (20428159500).

Almost surely, 2^135431130605 is an apocalyptic number.

It is an amenable number.

135431130605 is a deficient number, since it is larger than the sum of its proper divisors (27994145395).

135431130605 is a wasteful number, since it uses less digits than its factorization.

135431130605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151319883.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 135431130605 in words is "one hundred thirty-five billion, four hundred thirty-one million, one hundred thirty thousand, six hundred five".