135400002402 has 32 divisors (see below), whose sum is σ = 309498159744. Its totient is φ = 38684160000.

The previous prime is 135400002401. The next prime is 135400002449. The reversal of 135400002402 is 204200004531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (135400002401) 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, 1362402 + ... + 1458402.

It is an arithmetic number, because the mean of its divisors is an integer number (9671817492).

Almost surely, 2^135400002402 is an apocalyptic number.

135400002402 is an abundant number, since it is smaller than the sum of its proper divisors (174098157342).

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

135400002402 is a wasteful number, since it uses less digits than its factorization.

135400002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129594.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 135400002402 its reverse (204200004531), we get a palindrome (339600006933).

The spelling of 135400002402 in words is "one hundred thirty-five billion, four hundred million, two thousand, four hundred two".