1315813190 has 16 divisors (see below), whose sum is σ = 2376552528. Its totient is φ = 524527776.

The previous prime is 1315813183. The next prime is 1315813199. The reversal of 1315813190 is 913185131.

It is a happy number.

It is a super-2 number, since 2×1315813190² = 3462728701955952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315813199) 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, 221612 + ... + 227471.

It is an arithmetic number, because the mean of its divisors is an integer number (148534533).

Almost surely, 2^1315813190 is an apocalyptic number.

1315813190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315813190 is a deficient number, since it is larger than the sum of its proper divisors (1060739338).

1315813190 is a wasteful number, since it uses less digits than its factorization.

1315813190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449383.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1315813190 is about 36274.1394108806. The cubic root of 1315813190 is about 1095.8002920573.

The spelling of 1315813190 in words is "one billion, three hundred fifteen million, eight hundred thirteen thousand, one hundred ninety".