1359090840 has 128 divisors (see below), whose sum is σ = 4456581120. Its totient is φ = 330086400.

The previous prime is 1359090839. The next prime is 1359090851. The reversal of 1359090840 is 480909531.

It is a super-2 number, since 2×1359090840² = 3694255822743811200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 52495 + ... + 73985.

It is an arithmetic number, because the mean of its divisors is an integer number (34817040).

Almost surely, 2^1359090840 is an apocalyptic number.

1359090840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1359090840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228290560).

1359090840 is an abundant number, since it is smaller than the sum of its proper divisors (3097490280).

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

1359090840 is a wasteful number, since it uses less digits than its factorization.

1359090840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21553 (or 21549 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1359090840 is about 36865.8492374718. The cubic root of 1359090840 is about 1107.6847122135.

The spelling of 1359090840 in words is "one billion, three hundred fifty-nine million, ninety thousand, eight hundred forty".