1339294656 has 84 divisors (see below), whose sum is σ = 4122118248. Its totient is φ = 382652928.

The previous prime is 1339294639. The next prime is 1339294681. The reversal of 1339294656 is 6564929331.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 11 ways as a sum of consecutive naturals, for example, 61771 + ... + 80586.

Almost surely, 2^1339294656 is an apocalyptic number.

1339294656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1339294656 is an abundant number, since it is smaller than the sum of its proper divisors (2782823592).

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

1339294656 is a wasteful number, since it uses less digits than its factorization.

1339294656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142386 (or 142369 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The square root of 1339294656 is about 36596.3749024408. The cubic root of 1339294656 is about 1102.2802988775.

The spelling of 1339294656 in words is "one billion, three hundred thirty-nine million, two hundred ninety-four thousand, six hundred fifty-six".