61432136 has 16 divisors (see below), whose sum is σ = 118298940. Its totient is φ = 29885760.

The previous prime is 61432123. The next prime is 61432153. The reversal of 61432136 is 63123416.

It can be written as a sum of positive squares in 2 ways, for example, as 49140100 + 12292036 = 7010^2 + 3506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103475 + ... + 104066.

Almost surely, 2^61432136 is an apocalyptic number.

It is an amenable number.

61432136 is a deficient number, since it is larger than the sum of its proper divisors (56866804).

61432136 is a wasteful number, since it uses less digits than its factorization.

61432136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207584 (or 207580 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 61432136 is about 7837.8655257666. The cubic root of 61432136 is about 394.5770958518.

The spelling of 61432136 in words is "sixty-one million, four hundred thirty-two thousand, one hundred thirty-six".