1336650642 has 24 divisors (see below), whose sum is σ = 2898904320. Its totient is φ = 445115160.

The previous prime is 1336650631. The next prime is 1336650697. The reversal of 1336650642 is 2460566331.

1336650642 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 6 + 5 + 0 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1336650597 and 1336650606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17034 + ... + 54437.

It is an arithmetic number, because the mean of its divisors is an integer number (120787680).

Almost surely, 2^1336650642 is an apocalyptic number.

1336650642 is an abundant number, since it is smaller than the sum of its proper divisors (1562253678).

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

1336650642 is a wasteful number, since it uses less digits than its factorization.

1336650642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72518 (or 72515 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1336650642 is about 36560.2330681849. The cubic root of 1336650642 is about 1101.5544529957.

The spelling of 1336650642 in words is "one billion, three hundred thirty-six million, six hundred fifty thousand, six hundred forty-two".