39670142 has 16 divisors (see below), whose sum is σ = 63088512. Its totient is φ = 18675360.

The previous prime is 39670133. The next prime is 39670151. The reversal of 39670142 is 24107693.

It is an interprime number because it is at equal distance from previous prime (39670133) and next prime (39670151).

It is a junction number, because it is equal to n+sod(n) for n = 39670099 and 39670108.

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, 6353 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (3943032).

Almost surely, 2^39670142 is an apocalyptic number.

39670142 is a deficient number, since it is larger than the sum of its proper divisors (23418370).

39670142 is a wasteful number, since it uses less digits than its factorization.

39670142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 39670142 is about 6298.4237710716. The cubic root of 39670142 is about 341.0525112415.

The spelling of 39670142 in words is "thirty-nine million, six hundred seventy thousand, one hundred forty-two".