134102420121 has 16 divisors (see below), whose sum is σ = 183746159424. Its totient is φ = 86933052864.

The previous prime is 134102420117. The next prime is 134102420129. The reversal of 134102420121 is 121024201431.

It is not a de Polignac number, because 134102420121 - 2² = 134102420117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134102420129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177330 + ... + 547403.

It is an arithmetic number, because the mean of its divisors is an integer number (11484134964).

Almost surely, 2^134102420121 is an apocalyptic number.

It is an amenable number.

134102420121 is a deficient number, since it is larger than the sum of its proper divisors (49643739303).

134102420121 is a wasteful number, since it uses less digits than its factorization.

134102420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726440.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 134102420121 its reverse (121024201431), we get a palindrome (255126621552).

The spelling of 134102420121 in words is "one hundred thirty-four billion, one hundred two million, four hundred twenty thousand, one hundred twenty-one".