402139934097 has 16 divisors (see below), whose sum is σ = 619338508992. Its totient is φ = 229384632320.

The previous prime is 402139934093. The next prime is 402139934143. The reversal of 402139934097 is 790439931204.

It is a cyclic number.

It is not a de Polignac number, because 402139934097 - 2² = 402139934093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (402139934093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358412928 + ... + 358414049.

It is an arithmetic number, because the mean of its divisors is an integer number (38708656812).

Almost surely, 2^402139934097 is an apocalyptic number.

It is an amenable number.

402139934097 is a deficient number, since it is larger than the sum of its proper divisors (217198574895).

402139934097 is a wasteful number, since it uses less digits than its factorization.

402139934097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716827008.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 402139934097 in words is "four hundred two billion, one hundred thirty-nine million, nine hundred thirty-four thousand, ninety-seven".