1315698670 has 128 divisors (see below), whose sum is σ = 2937876480. Its totient is φ = 417415680.

The previous prime is 1315698611. The next prime is 1315698721. The reversal of 1315698670 is 768965131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1315698670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3584827 + ... + 3585193.

It is an arithmetic number, because the mean of its divisors is an integer number (22952160).

Almost surely, 2^1315698670 is an apocalyptic number.

1315698670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315698670 is an abundant number, since it is smaller than the sum of its proper divisors (1622177810).

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

1315698670 is a wasteful number, since it uses less digits than its factorization.

1315698670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1315698670 is about 36272.5608414956. The cubic root of 1315698670 is about 1095.7685006421.

The spelling of 1315698670 in words is "one billion, three hundred fifteen million, six hundred ninety-eight thousand, six hundred seventy".