1255413836 has 6 divisors (see below), whose sum is σ = 2196974220. Its totient is φ = 627706916.

The previous prime is 1255413827. The next prime is 1255413883. The reversal of 1255413836 is 6383145521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255413836.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156926726 + ... + 156926733.

It is an arithmetic number, because the mean of its divisors is an integer number (366162370).

Almost surely, 2^1255413836 is an apocalyptic number.

It is an amenable number.

1255413836 is a deficient number, since it is larger than the sum of its proper divisors (941560384).

1255413836 is a wasteful number, since it uses less digits than its factorization.

1255413836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313853463 (or 313853461 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 1255413836 is about 35431.8195411977. The cubic root of 1255413836 is about 1078.7702727015.

The spelling of 1255413836 in words is "one billion, two hundred fifty-five million, four hundred thirteen thousand, eight hundred thirty-six".