134695831 has 4 divisors (see below), whose sum is σ = 135172072. Its totient is φ = 134219592.

The previous prime is 134695829. The next prime is 134695853. The reversal of 134695831 is 138596431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134695831 - 2¹ = 134695829 is a prime.

It is a super-2 number, since 2×134695831² = 36285933777561122, 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 (134695801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237696 + ... + 238261.

It is an arithmetic number, because the mean of its divisors is an integer number (33793018).

Almost surely, 2^134695831 is an apocalyptic number.

134695831 is a deficient number, since it is larger than the sum of its proper divisors (476241).

134695831 is an equidigital number, since it uses as much as digits as its factorization.

134695831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476240.

The product of its digits is 77760, while the sum is 40.

The square root of 134695831 is about 11605.8533077064. The cubic root of 134695831 is about 512.6072189713.

The spelling of 134695831 in words is "one hundred thirty-four million, six hundred ninety-five thousand, eight hundred thirty-one".