1390737230 has 8 divisors (see below), whose sum is σ = 2503327032. Its totient is φ = 556294888.

The previous prime is 1390737223. The next prime is 1390737233. The reversal of 1390737230 is 327370931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390737233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69536852 + ... + 69536871.

It is an arithmetic number, because the mean of its divisors is an integer number (312915879).

Almost surely, 2^1390737230 is an apocalyptic number.

1390737230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390737230 is a deficient number, since it is larger than the sum of its proper divisors (1112589802).

1390737230 is a wasteful number, since it uses less digits than its factorization.

1390737230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139073730.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 1390737230 is about 37292.5894783401. The cubic root of 1390737230 is about 1116.2163002550.

The spelling of 1390737230 in words is "one billion, three hundred ninety million, seven hundred thirty-seven thousand, two hundred thirty".