1368251464 has 32 divisors (see below), whose sum is σ = 2663619840. Its totient is φ = 658209600.

The previous prime is 1368251461. The next prime is 1368251471. The reversal of 1368251464 is 4641528631.

It is a happy number.

It is a super-2 number, since 2×1368251464² = 3744224137476286592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368251461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26959 + ... + 58849.

It is an arithmetic number, because the mean of its divisors is an integer number (83238120).

Almost surely, 2^1368251464 is an apocalyptic number.

It is an amenable number.

1368251464 is a deficient number, since it is larger than the sum of its proper divisors (1295368376).

1368251464 is a wasteful number, since it uses less digits than its factorization.

1368251464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32101 (or 32097 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 1368251464 is about 36989.8832655633. The cubic root of 1368251464 is about 1110.1678354553.

The spelling of 1368251464 in words is "one billion, three hundred sixty-eight million, two hundred fifty-one thousand, four hundred sixty-four".