134373971997 has 24 divisors (see below), whose sum is σ = 195533257920. Its totient is φ = 88919449920.

The previous prime is 134373971993. The next prime is 134373972011. The reversal of 134373971997 is 799179373431.

134373971997 is a `hidden beast` number, since 1 + 3 + 437 + 3 + 9 + 7 + 199 + 7 = 666.

It is not a de Polignac number, because 134373971997 - 2² = 134373971993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134373971993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8487633 + ... + 8503449.

It is an arithmetic number, because the mean of its divisors is an integer number (8147219080).

Almost surely, 2^134373971997 is an apocalyptic number.

It is an amenable number.

134373971997 is a deficient number, since it is larger than the sum of its proper divisors (61159285923).

134373971997 is a wasteful number, since it uses less digits than its factorization.

134373971997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22753 (or 22750 counting only the distinct ones).

The product of its digits is 27005076, while the sum is 63.

The spelling of 134373971997 in words is "one hundred thirty-four billion, three hundred seventy-three million, nine hundred seventy-one thousand, nine hundred ninety-seven".