1370318640 has 80 divisors (see below), whose sum is σ = 4317673056. Its totient is φ = 359424000.

The previous prime is 1370318617. The next prime is 1370318659. The reversal of 1370318640 is 468130731.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32161 + ... + 61440.

Almost surely, 2^1370318640 is an apocalyptic number.

1370318640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1370318640 is an abundant number, since it is smaller than the sum of its proper divisors (2947354416).

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

1370318640 is a wasteful number, since it uses less digits than its factorization.

1370318640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93678 (or 93672 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1370318640 is about 37017.8151705365. The cubic root of 1370318640 is about 1110.7266405202.

The spelling of 1370318640 in words is "one billion, three hundred seventy million, three hundred eighteen thousand, six hundred forty".