135665146435 has 64 divisors (see below), whose sum is σ = 211206481920. Its totient is φ = 81238671360.

The previous prime is 135665146433. The next prime is 135665146489. The reversal of 135665146435 is 534641566531.

It is not a de Polignac number, because 135665146435 - 2¹ = 135665146433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135665146433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6412675 + ... + 6433795.

It is an arithmetic number, because the mean of its divisors is an integer number (3300101280).

Almost surely, 2^135665146435 is an apocalyptic number.

135665146435 is a deficient number, since it is larger than the sum of its proper divisors (75541335485).

135665146435 is a wasteful number, since it uses less digits than its factorization.

135665146435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21908.

The product of its digits is 3888000, while the sum is 49.

The spelling of 135665146435 in words is "one hundred thirty-five billion, six hundred sixty-five million, one hundred forty-six thousand, four hundred thirty-five".