39129068 has 24 divisors (see below), whose sum is σ = 77113344. Its totient is φ = 17211600.

The previous prime is 39129029. The next prime is 39129071. The reversal of 39129068 is 86092193.

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, 12980 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (3213056).

Almost surely, 2^39129068 is an apocalyptic number.

It is an amenable number.

39129068 is a deficient number, since it is larger than the sum of its proper divisors (37984276).

39129068 is a wasteful number, since it uses less digits than its factorization.

39129068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28733 (or 28731 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 39129068 is about 6255.3231731062. The cubic root of 39129068 is about 339.4948322681.

The spelling of 39129068 in words is "thirty-nine million, one hundred twenty-nine thousand, sixty-eight".