1340957115 has 12 divisors (see below), whose sum is σ = 2324325744. Its totient is φ = 715177104.

The previous prime is 1340957113. The next prime is 1340957119. The reversal of 1340957115 is 5117590431.

It is a happy number.

It is not a de Polignac number, because 1340957115 - 2¹ = 1340957113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340957115.

It is not an unprimeable number, because it can be changed into a prime (1340957113) 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, 14899479 + ... + 14899568.

It is an arithmetic number, because the mean of its divisors is an integer number (193693812).

Almost surely, 2^1340957115 is an apocalyptic number.

1340957115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340957115 is a deficient number, since it is larger than the sum of its proper divisors (983368629).

1340957115 is a wasteful number, since it uses less digits than its factorization.

1340957115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29799058 (or 29799055 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1340957115 is about 36619.0812965044. The cubic root of 1340957115 is about 1102.7361950950.

The spelling of 1340957115 in words is "one billion, three hundred forty million, nine hundred fifty-seven thousand, one hundred fifteen".