1142731756 has 6 divisors (see below), whose sum is σ = 1999780580. Its totient is φ = 571365876.

The previous prime is 1142731697. The next prime is 1142731769. The reversal of 1142731756 is 6571372411.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142841466 + ... + 142841473.

Almost surely, 2^1142731756 is an apocalyptic number.

It is an amenable number.

1142731756 is a deficient number, since it is larger than the sum of its proper divisors (857048824).

1142731756 is a wasteful number, since it uses less digits than its factorization.

1142731756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285682943 (or 285682941 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 1142731756 is about 33804.3156416455. The cubic root of 1142731756 is about 1045.4776800142.

The spelling of 1142731756 in words is "one billion, one hundred forty-two million, seven hundred thirty-one thousand, seven hundred fifty-six".