135240407372 has 48 divisors (see below), whose sum is σ = 276309024768. Its totient is φ = 56711928000.

The previous prime is 135240407339. The next prime is 135240407431. The reversal of 135240407372 is 273704042531.

It is a super-2 number, since 2×135240407372² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5932997 + ... + 5955747.

It is an arithmetic number, because the mean of its divisors is an integer number (5756438016).

Almost surely, 2^135240407372 is an apocalyptic number.

It is an amenable number.

135240407372 is an abundant number, since it is smaller than the sum of its proper divisors (141068617396).

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

135240407372 is a wasteful number, since it uses less digits than its factorization.

135240407372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27326 (or 27324 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 135240407372 in words is "one hundred thirty-five billion, two hundred forty million, four hundred seven thousand, three hundred seventy-two".