1339786464 has 24 divisors (see below), whose sum is σ = 3516939720. Its totient is φ = 446595456.

The previous prime is 1339786451. The next prime is 1339786531. The reversal of 1339786464 is 4646879331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6977959 + ... + 6978150.

It is an arithmetic number, because the mean of its divisors is an integer number (146539155).

Almost surely, 2^1339786464 is an apocalyptic number.

It is an amenable number.

1339786464 is an abundant number, since it is smaller than the sum of its proper divisors (2177153256).

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

1339786464 is a wasteful number, since it uses less digits than its factorization.

1339786464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956122 (or 13956114 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The square root of 1339786464 is about 36603.0936397458. The cubic root of 1339786464 is about 1102.4152066872.

The spelling of 1339786464 in words is "one billion, three hundred thirty-nine million, seven hundred eighty-six thousand, four hundred sixty-four".