1315862340 has 96 divisors (see below), whose sum is σ = 4007356416. Its totient is φ = 320678400.

The previous prime is 1315862333. The next prime is 1315862341. The reversal of 1315862340 is 432685131.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1315862341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70429 + ... + 87131.

It is an arithmetic number, because the mean of its divisors is an integer number (41743296).

Almost surely, 2^1315862340 is an apocalyptic number.

1315862340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315862340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003678208).

1315862340 is an abundant number, since it is smaller than the sum of its proper divisors (2691494076).

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

1315862340 is a wasteful number, since it uses less digits than its factorization.

1315862340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16829 (or 16827 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1315862340 is about 36274.8168844448. The cubic root of 1315862340 is about 1095.8139358162.

The spelling of 1315862340 in words is "one billion, three hundred fifteen million, eight hundred sixty-two thousand, three hundred forty".