134357631 has 16 divisors (see below), whose sum is σ = 185545728. Its totient is φ = 86424800.

The previous prime is 134357623. The next prime is 134357687. The reversal of 134357631 is 136753431.

It is a cyclic number.

It is not a de Polignac number, because 134357631 - 2³ = 134357623 is a prime.

It is a super-2 number, since 2×134357631² = 36103946015864322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 134357592 and 134357601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134357831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (11596608).

Almost surely, 2^134357631 is an apocalyptic number.

134357631 is a deficient number, since it is larger than the sum of its proper divisors (51188097).

134357631 is a wasteful number, since it uses less digits than its factorization.

134357631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542.

The product of its digits is 22680, while the sum is 33.

The square root of 134357631 is about 11591.2739161837. The cubic root of 134357631 is about 512.1778340892.

The spelling of 134357631 in words is "one hundred thirty-four million, three hundred fifty-seven thousand, six hundred thirty-one".