1331052757 has 16 divisors (see below), whose sum is σ = 1494761472. Its totient is φ = 1178622720.

The previous prime is 1331052739. The next prime is 1331052787. The reversal of 1331052757 is 7572501331.

It is a cyclic number.

It is not a de Polignac number, because 1331052757 - 2¹¹ = 1331050709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331052707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053 + ... + 51754.

It is an arithmetic number, because the mean of its divisors is an integer number (93422592).

Almost surely, 2^1331052757 is an apocalyptic number.

1331052757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1331052757 is a deficient number, since it is larger than the sum of its proper divisors (163708715).

1331052757 is a wasteful number, since it uses less digits than its factorization.

1331052757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55908.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1331052757 is about 36483.5957246541. The cubic root of 1331052757 is about 1100.0145334168.

The spelling of 1331052757 in words is "one billion, three hundred thirty-one million, fifty-two thousand, seven hundred fifty-seven".