126531736 has 8 divisors (see below), whose sum is σ = 237247020. Its totient is φ = 63265864.

The previous prime is 126531733. The next prime is 126531767. The reversal of 126531736 is 637135621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126531733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7908226 + ... + 7908241.

Almost surely, 2^126531736 is an apocalyptic number.

It is an amenable number.

126531736 is a deficient number, since it is larger than the sum of its proper divisors (110715284).

126531736 is a wasteful number, since it uses less digits than its factorization.

126531736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816473 (or 15816469 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 126531736 is about 11248.6326280131. The cubic root of 126531736 is about 502.0340288991.

The spelling of 126531736 in words is "one hundred twenty-six million, five hundred thirty-one thousand, seven hundred thirty-six".