134316731 has 4 divisors (see below), whose sum is σ = 134514072. Its totient is φ = 134119392.

The previous prime is 134316683. The next prime is 134316733. The reversal of 134316731 is 137613431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137613431 = 3697 ⋅37223.

It is a cyclic number.

It is not a de Polignac number, because 134316731 - 2¹⁸ = 134054587 is a prime.

It is a super-2 number, since 2×134316731² = 36081968453052722, 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 = 134316694 and 134316703.

It is not an unprimeable number, because it can be changed into a prime (134316733) 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, 97646 + ... + 99011.

It is an arithmetic number, because the mean of its divisors is an integer number (33628518).

Almost surely, 2^134316731 is an apocalyptic number.

134316731 is a deficient number, since it is larger than the sum of its proper divisors (197341).

134316731 is an equidigital number, since it uses as much as digits as its factorization.

134316731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197340.

The product of its digits is 4536, while the sum is 29.

The square root of 134316731 is about 11589.5095237029. The cubic root of 134316731 is about 512.1258578840.

The spelling of 134316731 in words is "one hundred thirty-four million, three hundred sixteen thousand, seven hundred thirty-one".