1356240556 has 24 divisors (see below), whose sum is σ = 2600611776. Its totient is φ = 613752720.

The previous prime is 1356240553. The next prime is 1356240559. The reversal of 1356240556 is 6550426531.

It is an interprime number because it is at equal distance from previous prime (1356240553) and next prime (1356240559).

It is not an unprimeable number, because it can be changed into a prime (1356240551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57906 + ... + 77881.

It is an arithmetic number, because the mean of its divisors is an integer number (108358824).

Almost surely, 2^1356240556 is an apocalyptic number.

It is an amenable number.

1356240556 is a deficient number, since it is larger than the sum of its proper divisors (1244371220).

1356240556 is a wasteful number, since it uses less digits than its factorization.

1356240556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136029 (or 136027 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1356240556 is about 36827.1714363186. The cubic root of 1356240556 is about 1106.9098251596.

The spelling of 1356240556 in words is "one billion, three hundred fifty-six million, two hundred forty thousand, five hundred fifty-six".