39495142 has 4 divisors (see below), whose sum is σ = 59242716. Its totient is φ = 19747570.

The previous prime is 39495133. The next prime is 39495143. The reversal of 39495142 is 24159493.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39495143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9873784 + ... + 9873787.

It is an arithmetic number, because the mean of its divisors is an integer number (14810679).

Almost surely, 2^39495142 is an apocalyptic number.

39495142 is a deficient number, since it is larger than the sum of its proper divisors (19747574).

39495142 is a wasteful number, since it uses less digits than its factorization.

39495142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747573.

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

The square root of 39495142 is about 6284.5160513758. The cubic root of 39495142 is about 340.5502681156.

The spelling of 39495142 in words is "thirty-nine million, four hundred ninety-five thousand, one hundred forty-two".