1400738269 has 16 divisors (see below), whose sum is σ = 1617448320. Its totient is φ = 1188244800.

The previous prime is 1400738237. The next prime is 1400738281. The reversal of 1400738269 is 9628370041.

It is a cyclic number.

It is not a de Polignac number, because 1400738269 - 2⁵ = 1400738237 is a prime.

It is a super-2 number, since 2×1400738269² = 3924135396482232722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400738299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274794 + ... + 279844.

It is an arithmetic number, because the mean of its divisors is an integer number (101090520).

Almost surely, 2^1400738269 is an apocalyptic number.

It is an amenable number.

1400738269 is a deficient number, since it is larger than the sum of its proper divisors (216710051).

1400738269 is a wasteful number, since it uses less digits than its factorization.

1400738269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1400738269 is about 37426.4381019621. The cubic root of 1400738269 is about 1118.8855488040.

The spelling of 1400738269 in words is "one billion, four hundred million, seven hundred thirty-eight thousand, two hundred sixty-nine".