1315673400 has 48 divisors (see below), whose sum is σ = 4078589400. Its totient is φ = 350846080.

The previous prime is 1315673377. The next prime is 1315673407. The reversal of 1315673400 is 43765131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315673407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1095795 + ... + 1096994.

Almost surely, 2^1315673400 is an apocalyptic number.

1315673400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315673400 is an abundant number, since it is smaller than the sum of its proper divisors (2762916000).

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

1315673400 is a wasteful number, since it uses less digits than its factorization.

1315673400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192808 (or 2192799 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1315673400 is about 36272.2125048914. The cubic root of 1315673400 is about 1095.7614852954.

The spelling of 1315673400 in words is "one billion, three hundred fifteen million, six hundred seventy-three thousand, four hundred".