1356126774 has 16 divisors (see below), whose sum is σ = 2737603008. Its totient is φ = 447817352.

The previous prime is 1356126763. The next prime is 1356126787. The reversal of 1356126774 is 4776216531.

It is a happy number.

It is a congruent number.

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, 1055532 + ... + 1056815.

It is an arithmetic number, because the mean of its divisors is an integer number (171100188).

Almost surely, 2^1356126774 is an apocalyptic number.

1356126774 is an abundant number, since it is smaller than the sum of its proper divisors (1381476234).

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

1356126774 is a wasteful number, since it uses less digits than its factorization.

1356126774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112459.

The product of its digits is 211680, while the sum is 42.

The square root of 1356126774 is about 36825.6265934471. The cubic root of 1356126774 is about 1106.8788695066.

The spelling of 1356126774 in words is "one billion, three hundred fifty-six million, one hundred twenty-six thousand, seven hundred seventy-four".