1360991457 has 48 divisors (see below), whose sum is σ = 2447944320. Its totient is φ = 731932416.

The previous prime is 1360991449. The next prime is 1360991459. The reversal of 1360991457 is 7541990631.

It is not a de Polignac number, because 1360991457 - 2³ = 1360991449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1360991459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42163 + ... + 67079.

It is an arithmetic number, because the mean of its divisors is an integer number (50998840).

Almost surely, 2^1360991457 is an apocalyptic number.

1360991457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1360991457 is a deficient number, since it is larger than the sum of its proper divisors (1086952863).

1360991457 is a wasteful number, since it uses less digits than its factorization.

1360991457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24967 (or 24944 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1360991457 is about 36891.6177064655. The cubic root of 1360991457 is about 1108.2008179605.

The spelling of 1360991457 in words is "one billion, three hundred sixty million, nine hundred ninety-one thousand, four hundred fifty-seven".