1391885230 has 16 divisors (see below), whose sum is σ = 2507894640. Its totient is φ = 556198272.

The previous prime is 1391885221. The next prime is 1391885237. The reversal of 1391885230 is 325881931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391885237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58884 + ... + 79063.

It is an arithmetic number, because the mean of its divisors is an integer number (156743415).

Almost surely, 2^1391885230 is an apocalyptic number.

1391885230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1391885230 is a deficient number, since it is larger than the sum of its proper divisors (1116009410).

1391885230 is a wasteful number, since it uses less digits than its factorization.

1391885230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138963.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1391885230 is about 37307.9781012051. The cubic root of 1391885230 is about 1116.5233469685.

The spelling of 1391885230 in words is "one billion, three hundred ninety-one million, eight hundred eighty-five thousand, two hundred thirty".