1400080757 has 2 divisors, whose sum is σ = 1400080758. Its totient is φ = 1400080756.

The previous prime is 1400080753. The next prime is 1400080811. The reversal of 1400080757 is 7570800041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931531441 + 468549316 = 30521^2 + 21646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400080757 - 2² = 1400080753 is a prime.

It is a super-2 number, since 2×1400080757² = 3920452252243386098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400080753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700040378 + 700040379.

It is an arithmetic number, because the mean of its divisors is an integer number (700040379).

Almost surely, 2^1400080757 is an apocalyptic number.

It is an amenable number.

1400080757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400080757 is an equidigital number, since it uses as much as digits as its factorization.

1400080757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 1400080757 is about 37417.6530129831. The cubic root of 1400080757 is about 1118.7104516590.

Adding to 1400080757 its reverse (7570800041), we get a palindrome (8970880798).

The spelling of 1400080757 in words is "one billion, four hundred million, eighty thousand, seven hundred fifty-seven".