135462661623 has 6 divisors (see below), whose sum is σ = 195668289024. Its totient is φ = 90308441076.

The previous prime is 135462661619. The next prime is 135462661639. The reversal of 135462661623 is 326166264531.

135462661623 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 6 + 2 + 6 + 616 + 23 = 666.

It is not a de Polignac number, because 135462661623 - 2² = 135462661619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135462661673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7525703415 + ... + 7525703432.

It is an arithmetic number, because the mean of its divisors is an integer number (32611381504).

Almost surely, 2^135462661623 is an apocalyptic number.

135462661623 is a deficient number, since it is larger than the sum of its proper divisors (60205627401).

135462661623 is a wasteful number, since it uses less digits than its factorization.

135462661623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051406853 (or 15051406850 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 135462661623 in words is "one hundred thirty-five billion, four hundred sixty-two million, six hundred sixty-one thousand, six hundred twenty-three".