135258294040 has 32 divisors (see below), whose sum is σ = 304381255680. Its totient is φ = 54094412032.

The previous prime is 135258294023. The next prime is 135258294047. The reversal of 135258294040 is 40492852531.

135258294040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135258294040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135258294047) 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, 29509 + ... + 520948.

It is an arithmetic number, because the mean of its divisors is an integer number (9511914240).

Almost surely, 2^135258294040 is an apocalyptic number.

135258294040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135258294040 is an abundant number, since it is smaller than the sum of its proper divisors (169122961640).

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

135258294040 is a wasteful number, since it uses less digits than its factorization.

135258294040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556611 (or 556607 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 135258294040 in words is "one hundred thirty-five billion, two hundred fifty-eight million, two hundred ninety-four thousand, forty".