1369836390 has 32 divisors (see below), whose sum is σ = 3540501216. Its totient is φ = 337190400.

The previous prime is 1369836383. The next prime is 1369836397. The reversal of 1369836390 is 936389631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1369836383) and next prime (1369836397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369836397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755811 + ... + 1756590.

It is an arithmetic number, because the mean of its divisors is an integer number (110640663).

Almost surely, 2^1369836390 is an apocalyptic number.

1369836390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1369836390 is an abundant number, since it is smaller than the sum of its proper divisors (2170664826).

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

1369836390 is a wasteful number, since it uses less digits than its factorization.

1369836390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512424.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 1369836390 is about 37011.3008417699. The cubic root of 1369836390 is about 1110.5963275757.

The spelling of 1369836390 in words is "one billion, three hundred sixty-nine million, eight hundred thirty-six thousand, three hundred ninety".