1497139648 has 28 divisors (see below), whose sum is σ = 2975386480. Its totient is φ = 747436032.

The previous prime is 1497139603. The next prime is 1497139661. The reversal of 1497139648 is 8469317941.

It is a super-2 number, since 2×1497139648² = 4482854251227127808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1497139595 and 1497139604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25693 + ... + 60451.

Almost surely, 2^1497139648 is an apocalyptic number.

It is an amenable number.

1497139648 is a deficient number, since it is larger than the sum of its proper divisors (1478246832).

1497139648 is an equidigital number, since it uses as much as digits as its factorization.

1497139648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35444 (or 35434 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1497139648 is about 38692.8888557058. Note that the first 4 decimals coincide. The cubic root of 1497139648 is about 1143.9861605250.

The spelling of 1497139648 in words is "one billion, four hundred ninety-seven million, one hundred thirty-nine thousand, six hundred forty-eight".