1368990370 has 24 divisors (see below), whose sum is σ = 2708566812. Its totient is φ = 497814240.

The previous prime is 1368990361. The next prime is 1368990409. The reversal of 1368990370 is 730998631.

It can be written as a sum of positive squares in 2 ways, for example, as 1363603329 + 5387041 = 36927^2 + 2321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1368990370.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564489 + ... + 566908.

Almost surely, 2^1368990370 is an apocalyptic number.

1368990370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368990370 is a deficient number, since it is larger than the sum of its proper divisors (1339576442).

1368990370 is a wasteful number, since it uses less digits than its factorization.

1368990370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131426 (or 1131415 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1368990370 is about 36999.8698646360. The cubic root of 1368990370 is about 1110.3676432817.

The spelling of 1368990370 in words is "one billion, three hundred sixty-eight million, nine hundred ninety thousand, three hundred seventy".