1283137656 has 16 divisors (see below), whose sum is σ = 3207844200. Its totient is φ = 427712544.

The previous prime is 1283137613. The next prime is 1283137657. The reversal of 1283137656 is 6567313821.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283137657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26732011 + ... + 26732058.

Almost surely, 2^1283137656 is an apocalyptic number.

It is an amenable number.

1283137656 is an abundant number, since it is smaller than the sum of its proper divisors (1924706544).

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

1283137656 is a wasteful number, since it uses less digits than its factorization.

1283137656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53464078 (or 53464074 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1283137656 is about 35820.9108761907. The cubic root of 1283137656 is about 1086.6535007041.

The spelling of 1283137656 in words is "one billion, two hundred eighty-three million, one hundred thirty-seven thousand, six hundred fifty-six".