126315536 has 20 divisors (see below), whose sum is σ = 249355692. Its totient is φ = 61965696.

The previous prime is 126315529. The next prime is 126315551. The reversal of 126315536 is 635513621.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 57093136 = 8320^2 + 7556^2 .

It is a super-2 number, since 2×126315536² = 31911229269934592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73631 + ... + 75326.

Almost surely, 2^126315536 is an apocalyptic number.

126315536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126315536 is a deficient number, since it is larger than the sum of its proper divisors (123040156).

126315536 is a wasteful number, since it uses less digits than its factorization.

126315536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149018 (or 149012 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 126315536 is about 11239.0184624815. The cubic root of 126315536 is about 501.7479303584.

The spelling of 126315536 in words is "one hundred twenty-six million, three hundred fifteen thousand, five hundred thirty-six".