134129631 has 8 divisors (see below), whose sum is σ = 179553024. Its totient is φ = 89063000.

The previous prime is 134129621. The next prime is 134129641. The reversal of 134129631 is 136921431.

It is an interprime number because it is at equal distance from previous prime (134129621) and next prime (134129641).

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

It is a cyclic number.

It is not a de Polignac number, because 134129631 - 2⁷ = 134129503 is a prime.

It is a super-2 number, since 2×134129631² = 35981515824392322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134129621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88311 + ... + 89816.

It is an arithmetic number, because the mean of its divisors is an integer number (22444128).

Almost surely, 2^134129631 is an apocalyptic number.

134129631 is a deficient number, since it is larger than the sum of its proper divisors (45423393).

134129631 is a wasteful number, since it uses less digits than its factorization.

134129631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178381.

The product of its digits is 3888, while the sum is 30.

The square root of 134129631 is about 11581.4347556769. The cubic root of 134129631 is about 511.8879543535.

The spelling of 134129631 in words is "one hundred thirty-four million, one hundred twenty-nine thousand, six hundred thirty-one".