134751531 has 4 divisors (see below), whose sum is σ = 179668712. Its totient is φ = 89834352.

The previous prime is 134751523. The next prime is 134751557. The reversal of 134751531 is 135157431.

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

It is not a de Polignac number, because 134751531 - 2³ = 134751523 is a prime.

It is a super-2 number, since 2×134751531² = 36315950213687922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134751511) 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, 22458586 + ... + 22458591.

It is an arithmetic number, because the mean of its divisors is an integer number (44917178).

Almost surely, 2^134751531 is an apocalyptic number.

134751531 is a deficient number, since it is larger than the sum of its proper divisors (44917181).

134751531 is an equidigital number, since it uses as much as digits as its factorization.

134751531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44917180.

The product of its digits is 6300, while the sum is 30.

The square root of 134751531 is about 11608.2527108950. The cubic root of 134751531 is about 512.6778677487.

The spelling of 134751531 in words is "one hundred thirty-four million, seven hundred fifty-one thousand, five hundred thirty-one".