1401735457 has 16 divisors (see below), whose sum is σ = 1466942400. Its totient is φ = 1338365952.

The previous prime is 1401735451. The next prime is 1401735479. The reversal of 1401735457 is 7545371041.

It is a cyclic number.

It is not a de Polignac number, because 1401735457 - 2²⁷ = 1267517729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401735451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344169 + ... + 348217.

It is an arithmetic number, because the mean of its divisors is an integer number (91683900).

Almost surely, 2^1401735457 is an apocalyptic number.

It is an amenable number.

1401735457 is a deficient number, since it is larger than the sum of its proper divisors (65206943).

1401735457 is an equidigital number, since it uses as much as digits as its factorization.

1401735457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 1401735457 is about 37439.7577048784. The cubic root of 1401735457 is about 1119.1509980095.

The spelling of 1401735457 in words is "one billion, four hundred one million, seven hundred thirty-five thousand, four hundred fifty-seven".