402121104134 has 8 divisors (see below), whose sum is σ = 606212720400. Its totient is φ = 200050197336.

The previous prime is 402121104109. The next prime is 402121104139. The reversal of 402121104134 is 431401121204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402121104139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505176869 + ... + 505177664.

It is an arithmetic number, because the mean of its divisors is an integer number (75776590050).

Almost surely, 2^402121104134 is an apocalyptic number.

402121104134 is a deficient number, since it is larger than the sum of its proper divisors (204091616266).

402121104134 is a wasteful number, since it uses less digits than its factorization.

402121104134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010354734.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 402121104134 its reverse (431401121204), we get a palindrome (833522225338).

The spelling of 402121104134 in words is "four hundred two billion, one hundred twenty-one million, one hundred four thousand, one hundred thirty-four".