135239189451 has 8 divisors (see below), whose sum is σ = 181616178240. Its totient is φ = 89510830152.

The previous prime is 135239189443. The next prime is 135239189471. The reversal of 135239189451 is 154981932531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135239189451 - 2³ = 135239189443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135239189394 and 135239189403.

It is not an unprimeable number, because it can be changed into a prime (135239189471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162156885 + ... + 162157718.

It is an arithmetic number, because the mean of its divisors is an integer number (22702022280).

Almost surely, 2^135239189451 is an apocalyptic number.

135239189451 is a deficient number, since it is larger than the sum of its proper divisors (46376988789).

135239189451 is a wasteful number, since it uses less digits than its factorization.

135239189451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324314745.

The product of its digits is 1166400, while the sum is 51.

The spelling of 135239189451 in words is "one hundred thirty-five billion, two hundred thirty-nine million, one hundred eighty-nine thousand, four hundred fifty-one".