397140130 has 64 divisors (see below), whose sum is σ = 755827200. Its totient is φ = 150102784.

The previous prime is 397140119. The next prime is 397140157. The reversal of 397140130 is 31041793.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2665296 + ... + 2665444.

It is an arithmetic number, because the mean of its divisors is an integer number (11809800).

Almost surely, 2^397140130 is an apocalyptic number.

397140130 is a deficient number, since it is larger than the sum of its proper divisors (358687070).

397140130 is a wasteful number, since it uses less digits than its factorization.

397140130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 397140130 is about 19928.3749964717. The cubic root of 397140130 is about 735.0461229482.

The spelling of 397140130 in words is "three hundred ninety-seven million, one hundred forty thousand, one hundred thirty".