1315402000 has 80 divisors (see below), whose sum is σ = 3469849344. Its totient is φ = 478320000.

The previous prime is 1315401973. The next prime is 1315402003. The reversal of 1315402000 is 2045131.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1315402003) 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, 7896 + ... + 51895.

Almost surely, 2^1315402000 is an apocalyptic number.

1315402000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315402000 is an abundant number, since it is smaller than the sum of its proper divisors (2154447344).

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

1315402000 is a wasteful number, since it uses less digits than its factorization.

1315402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59825 (or 59809 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1315402000 is about 36268.4711560882. The cubic root of 1315402000 is about 1095.6861347516.

Adding to 1315402000 its reverse (2045131), we get a palindrome (1317447131).

The spelling of 1315402000 in words is "one billion, three hundred fifteen million, four hundred two thousand".