134347631 has 6 divisors (see below), whose sum is σ = 147671496. Its totient is φ = 122134100.

The previous prime is 134347607. The next prime is 134347639. The reversal of 134347631 is 136743431.

It is not a de Polignac number, because 134347631 - 2¹⁸ = 134085487 is a prime.

It is a super-2 number, since 2×134347631² = 36098571910624322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134347639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555035 + ... + 555276.

It is an arithmetic number, because the mean of its divisors is an integer number (24611916).

Almost surely, 2^134347631 is an apocalyptic number.

134347631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134347631 is a deficient number, since it is larger than the sum of its proper divisors (13323865).

134347631 is a wasteful number, since it uses less digits than its factorization.

134347631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110333 (or 1110322 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 134347631 is about 11590.8425491851. The cubic root of 134347631 is about 512.1651269449.

The spelling of 134347631 in words is "one hundred thirty-four million, three hundred forty-seven thousand, six hundred thirty-one".