1370918864 has 80 divisors (see below), whose sum is σ = 3232531200. Its totient is φ = 561939840.

The previous prime is 1370918849. The next prime is 1370918869. The reversal of 1370918864 is 4688190731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370918869) 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, 120794 + ... + 131654.

It is an arithmetic number, because the mean of its divisors is an integer number (40406640).

Almost surely, 2^1370918864 is an apocalyptic number.

1370918864 is a gapful number since it is divisible by the number (14) 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 1370918864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616265600).

1370918864 is an abundant number, since it is smaller than the sum of its proper divisors (1861612336).

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

1370918864 is a wasteful number, since it uses less digits than its factorization.

1370918864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913 (or 10893 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1370918864 is about 37025.9215145282. The cubic root of 1370918864 is about 1110.8887895395. Note that the first 3 decimals are identical.

The spelling of 1370918864 in words is "one billion, three hundred seventy million, nine hundred eighteen thousand, eight hundred sixty-four".