135329457537 has 16 divisors (see below), whose sum is σ = 200493850560. Its totient is φ = 90217044000.

The previous prime is 135329457509. The next prime is 135329457539. The reversal of 135329457537 is 735754923531.

It is a happy number.

135329457537 is a `hidden beast` number, since 1 + 3 + 5 + 32 + 9 + 4 + 575 + 37 = 666.

It is not a de Polignac number, because 135329457537 - 2⁷ = 135329457409 is a prime.

It is a super-2 number, since 2×135329457537² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135329457539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539462 + ... + 1624992.

It is an arithmetic number, because the mean of its divisors is an integer number (12530865660).

Almost surely, 2^135329457537 is an apocalyptic number.

It is an amenable number.

135329457537 is a deficient number, since it is larger than the sum of its proper divisors (65164393023).

135329457537 is an equidigital number, since it uses as much as digits as its factorization.

135329457537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144141 (or 144135 counting only the distinct ones).

The product of its digits is 11907000, while the sum is 54.

The spelling of 135329457537 in words is "one hundred thirty-five billion, three hundred twenty-nine million, four hundred fifty-seven thousand, five hundred thirty-seven".