1331754942 has 32 divisors (see below), whose sum is σ = 3223072512. Its totient is φ = 358118784.

The previous prime is 1331754923. The next prime is 1331754953. The reversal of 1331754942 is 2494571331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331754942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931888 + ... + 933315.

It is an arithmetic number, because the mean of its divisors is an integer number (100721016).

Almost surely, 2^1331754942 is an apocalyptic number.

1331754942 is an abundant number, since it is smaller than the sum of its proper divisors (1891317570).

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

1331754942 is a wasteful number, since it uses less digits than its factorization.

1331754942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865232.

The product of its digits is 90720, while the sum is 39.

The square root of 1331754942 is about 36493.2177534402. The cubic root of 1331754942 is about 1100.2079336944.

The spelling of 1331754942 in words is "one billion, three hundred thirty-one million, seven hundred fifty-four thousand, nine hundred forty-two".