65139082 has 8 divisors (see below), whose sum is σ = 101956896. Its totient is φ = 31153452.

The previous prime is 65139079. The next prime is 65139101. The reversal of 65139082 is 28093156.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707988 + ... + 708079.

It is an arithmetic number, because the mean of its divisors is an integer number (12744612).

Almost surely, 2^65139082 is an apocalyptic number.

65139082 is a deficient number, since it is larger than the sum of its proper divisors (36817814).

65139082 is a wasteful number, since it uses less digits than its factorization.

65139082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416092.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 65139082 is about 8070.8786386613. The cubic root of 65139082 is about 402.3591462186.

The spelling of 65139082 in words is "sixty-five million, one hundred thirty-nine thousand, eighty-two".