13214132402 has 16 divisors (see below), whose sum is σ = 21710847960. Its totient is φ = 6003986688.

The previous prime is 13214132401. The next prime is 13214132413. The reversal of 13214132402 is 20423141231.

It can be written as a sum of positive squares in 4 ways, for example, as 9453867361 + 3760265041 = 97231^2 + 61321^2 .

It is a super-2 number, since 2×13214132402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13214132401) 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, 6699893 + ... + 6701864.

Almost surely, 2^13214132402 is an apocalyptic number.

13214132402 is a deficient number, since it is larger than the sum of its proper divisors (8496715558).

13214132402 is a wasteful number, since it uses less digits than its factorization.

13214132402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401805.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13214132402 its reverse (20423141231), we get a palindrome (33637273633).

The spelling of 13214132402 in words is "thirteen billion, two hundred fourteen million, one hundred thirty-two thousand, four hundred two".