39140274 has 16 divisors (see below), whose sum is σ = 78436512. Its totient is φ = 13020768.

The previous prime is 39140263. The next prime is 39140303. The reversal of 39140274 is 47204193.

It is a happy number.

It is a super-2 number, since 2×39140274² = 3063922097590152, which contains 22 as substring.

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, 3099 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (4902282).

Almost surely, 2^39140274 is an apocalyptic number.

39140274 is an abundant number, since it is smaller than the sum of its proper divisors (39296238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39140274 is a wasteful number, since it uses less digits than its factorization.

39140274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 39140274 is about 6256.2188260962. The cubic root of 39140274 is about 339.5272379806.

The spelling of 39140274 in words is "thirty-nine million, one hundred forty thousand, two hundred seventy-four".