1356991230 has 64 divisors (see below), whose sum is σ = 3727876608. Its totient is φ = 309682560.

The previous prime is 1356991219. The next prime is 1356991271. The reversal of 1356991230 is 321996531.

It is a Curzon number.

It is a congruent number.

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, 138700 + ... + 148160.

It is an arithmetic number, because the mean of its divisors is an integer number (58248072).

Almost surely, 2^1356991230 is an apocalyptic number.

1356991230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356991230 is an abundant number, since it is smaller than the sum of its proper divisors (2370885378).

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

1356991230 is a wasteful number, since it uses less digits than its factorization.

1356991230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 1356991230 is about 36837.3618762256. The cubic root of 1356991230 is about 1107.1140109545.

The spelling of 1356991230 in words is "one billion, three hundred fifty-six million, nine hundred ninety-one thousand, two hundred thirty".