39149542 has 16 divisors (see below), whose sum is σ = 62145792. Its totient is φ = 18458440.

The previous prime is 39149533. The next prime is 39149569. The reversal of 39149542 is 24594193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (3884112).

Almost surely, 2^39149542 is an apocalyptic number.

39149542 is a deficient number, since it is larger than the sum of its proper divisors (22996250).

39149542 is a wasteful number, since it uses less digits than its factorization.

39149542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083.

The product of its digits is 38880, while the sum is 37.

The square root of 39149542 is about 6256.9594852452. The cubic root of 39149542 is about 339.5540346768.

It can be divided in two parts, 3914 and 9542, that added together give a square (13456 = 116²).

The spelling of 39149542 in words is "thirty-nine million, one hundred forty-nine thousand, five hundred forty-two".