1420107656 has 32 divisors (see below), whose sum is σ = 2983279680. Its totient is φ = 628056000.

The previous prime is 1420107649. The next prime is 1420107677. The reversal of 1420107656 is 6567010241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214820 + ... + 221331.

It is an arithmetic number, because the mean of its divisors is an integer number (93227490).

Almost surely, 2^1420107656 is an apocalyptic number.

It is an amenable number.

1420107656 is an abundant number, since it is smaller than the sum of its proper divisors (1563172024).

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

1420107656 is a wasteful number, since it uses less digits than its factorization.

1420107656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436205 (or 436201 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1420107656 is about 37684.3157825640. The cubic root of 1420107656 is about 1124.0192686759.

Adding to 1420107656 its reverse (6567010241), we get a palindrome (7987117897).

The spelling of 1420107656 in words is "one billion, four hundred twenty million, one hundred seven thousand, six hundred fifty-six".