1374111556 has 24 divisors (see below), whose sum is σ = 2465648640. Its totient is φ = 669672000.

The previous prime is 1374111551. The next prime is 1374111577. The reversal of 1374111556 is 6551114731.

It is a super-2 number, since 2×1374111556² = 3776365136665482272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1374111551) 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, 206481 + ... + 213031.

It is an arithmetic number, because the mean of its divisors is an integer number (102735360).

Almost surely, 2^1374111556 is an apocalyptic number.

It is an amenable number.

1374111556 is a deficient number, since it is larger than the sum of its proper divisors (1091537084).

1374111556 is a wasteful number, since it uses less digits than its factorization.

1374111556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875 (or 7873 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 1374111556 is about 37069.0107232443. The cubic root of 1374111556 is about 1111.7504928620.

The spelling of 1374111556 in words is "one billion, three hundred seventy-four million, one hundred eleven thousand, five hundred fifty-six".