134520999402 has 32 divisors (see below), whose sum is σ = 269454011904. Its totient is φ = 44771716800.

The previous prime is 134520999359. The next prime is 134520999407. The reversal of 134520999402 is 204999025431.

It is a super-2 number, since 2×134520999402² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (134520999407) 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, 13600903 + ... + 13610789.

It is an arithmetic number, because the mean of its divisors is an integer number (8420437872).

Almost surely, 2^134520999402 is an apocalyptic number.

134520999402 is an abundant number, since it is smaller than the sum of its proper divisors (134933012502).

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

134520999402 is a wasteful number, since it uses less digits than its factorization.

134520999402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 134520999402 in words is "one hundred thirty-four billion, five hundred twenty million, nine hundred ninety-nine thousand, four hundred two".