120400320134 has 16 divisors (see below), whose sum is σ = 185015060496. Its totient is φ = 58728787200.

The previous prime is 120400320127. The next prime is 120400320151. The reversal of 120400320134 is 431023004021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867774 + ... + 2909454.

It is an arithmetic number, because the mean of its divisors is an integer number (11563441281).

Almost surely, 2^120400320134 is an apocalyptic number.

120400320134 is a deficient number, since it is larger than the sum of its proper divisors (64614740362).

120400320134 is a wasteful number, since it uses less digits than its factorization.

120400320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76951.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 120400320134 its reverse (431023004021), we get a palindrome (551423324155).

The spelling of 120400320134 in words is "one hundred twenty billion, four hundred million, three hundred twenty thousand, one hundred thirty-four".