135329072427 has 24 divisors (see below), whose sum is σ = 195966345744. Its totient is φ = 89992905984.

The previous prime is 135329072423. The next prime is 135329072453. The reversal of 135329072427 is 724270923531.

135329072427 is a `hidden beast` number, since 1 + 3 + 532 + 9 + 0 + 72 + 42 + 7 = 666.

It is not a de Polignac number, because 135329072427 - 2² = 135329072423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135329072423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17451183 + ... + 17458935.

It is an arithmetic number, because the mean of its divisors is an integer number (8165264406).

Almost surely, 2^135329072427 is an apocalyptic number.

135329072427 is a deficient number, since it is larger than the sum of its proper divisors (60637273317).

135329072427 is a wasteful number, since it uses less digits than its factorization.

135329072427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379 (or 12376 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

Adding to 135329072427 its reverse (724270923531), we get a palindrome (859599995958).

The spelling of 135329072427 in words is "one hundred thirty-five billion, three hundred twenty-nine million, seventy-two thousand, four hundred twenty-seven".