1365870940 has 24 divisors (see below), whose sum is σ = 3278090592. Its totient is φ = 468298560.

The previous prime is 1365870907. The next prime is 1365870941. The reversal of 1365870940 is 490785631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365870941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4877971 + ... + 4878250.

It is an arithmetic number, because the mean of its divisors is an integer number (136587108).

Almost surely, 2^1365870940 is an apocalyptic number.

1365870940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365870940 is an abundant number, since it is smaller than the sum of its proper divisors (1912219652).

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

1365870940 is a wasteful number, since it uses less digits than its factorization.

1365870940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756237 (or 9756235 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1365870940 is about 36957.6912157673. The cubic root of 1365870940 is about 1109.5236275272.

The spelling of 1365870940 in words is "one billion, three hundred sixty-five million, eight hundred seventy thousand, nine hundred forty".