307134540 has 72 divisors (see below), whose sum is σ = 933162048. Its totient is φ = 81768960.

The previous prime is 307134533. The next prime is 307134551. The reversal of 307134540 is 45431703.

It is a super-2 number, since 2×307134540² = 188663251322023200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163044 + ... + 164916.

It is an arithmetic number, because the mean of its divisors is an integer number (12960584).

Almost surely, 2^307134540 is an apocalyptic number.

307134540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

307134540 is an abundant number, since it is smaller than the sum of its proper divisors (626027508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307134540 is a wasteful number, since it uses less digits than its factorization.

307134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 307134540 is about 17525.2543490815. The cubic root of 307134540 is about 674.6982025328.

It can be divided in two parts, 30713 and 4540, that added together give a palindrome (35253).

The spelling of 307134540 in words is "three hundred seven million, one hundred thirty-four thousand, five hundred forty".