134431021142 has 16 divisors (see below), whose sum is σ = 232917919632. Its totient is φ = 57510597120.

The previous prime is 134431021103. The next prime is 134431021163. The reversal of 134431021142 is 241120134431.

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, 179720243 + ... + 179720990.

It is an arithmetic number, because the mean of its divisors is an integer number (14557369977).

Almost surely, 2^134431021142 is an apocalyptic number.

134431021142 is a deficient number, since it is larger than the sum of its proper divisors (98486898490).

134431021142 is a wasteful number, since it uses less digits than its factorization.

134431021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359441263.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 134431021142 its reverse (241120134431), we get a palindrome (375551155573).

The spelling of 134431021142 in words is "one hundred thirty-four billion, four hundred thirty-one million, twenty-one thousand, one hundred forty-two".