134657531 has 4 divisors (see below), whose sum is σ = 134948832. Its totient is φ = 134366232.

The previous prime is 134657519. The next prime is 134657557. The reversal of 134657531 is 135756431.

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 134657531 - 2²² = 130463227 is a prime.

It is a super-2 number, since 2×134657531² = 36265301310031922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134657491 and 134657500.

It is not an unprimeable number, because it can be changed into a prime (134657581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144956 + ... + 145881.

It is an arithmetic number, because the mean of its divisors is an integer number (33737208).

Almost surely, 2^134657531 is an apocalyptic number.

134657531 is a deficient number, since it is larger than the sum of its proper divisors (291301).

134657531 is an equidigital number, since it uses as much as digits as its factorization.

134657531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291300.

The product of its digits is 37800, while the sum is 35.

The square root of 134657531 is about 11604.2031609241. The cubic root of 134657531 is about 512.5586287082.

The spelling of 134657531 in words is "one hundred thirty-four million, six hundred fifty-seven thousand, five hundred thirty-one".