135390407080 has 32 divisors (see below), whose sum is σ = 307644548040. Its totient is φ = 53619961600.

The previous prime is 135390407071. The next prime is 135390407093. The reversal of 135390407080 is 80704093531.

It can be written as a sum of positive squares in 4 ways, for example, as 108476692164 + 26913714916 = 329358^2 + 164054^2 .

It is a super-2 number, since 2×135390407080² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16752199 + ... + 16760278.

Almost surely, 2^135390407080 is an apocalyptic number.

135390407080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135390407080 is an abundant number, since it is smaller than the sum of its proper divisors (172254140960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135390407080 is a wasteful number, since it uses less digits than its factorization.

135390407080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33512589 (or 33512585 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 135390407080 in words is "one hundred thirty-five billion, three hundred ninety million, four hundred seven thousand, eighty".