32139542 has 8 divisors (see below), whose sum is σ = 49026600. Its totient is φ = 15797344.

The previous prime is 32139539. The next prime is 32139551. The reversal of 32139542 is 24593123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 136067 + ... + 136302.

It is an arithmetic number, because the mean of its divisors is an integer number (6128325).

Almost surely, 2^32139542 is an apocalyptic number.

32139542 is a deficient number, since it is larger than the sum of its proper divisors (16887058).

32139542 is a wasteful number, since it uses less digits than its factorization.

32139542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272430.

The product of its digits is 6480, while the sum is 29.

The square root of 32139542 is about 5669.1747194808. The cubic root of 32139542 is about 317.9410185562.

The spelling of 32139542 in words is "thirty-two million, one hundred thirty-nine thousand, five hundred forty-two".