1400536465 has 8 divisors (see below), whose sum is σ = 1680889320. Its totient is φ = 1120265472.

The previous prime is 1400536457. The next prime is 1400536499. The reversal of 1400536465 is 5646350041.

It can be written as a sum of positive squares in 4 ways, for example, as 814702849 + 585833616 = 28543^2 + 24204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400536465 - 2³ = 1400536457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400536465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27327 + ... + 59563.

It is an arithmetic number, because the mean of its divisors is an integer number (210111165).

Almost surely, 2^1400536465 is an apocalyptic number.

It is an amenable number.

1400536465 is a deficient number, since it is larger than the sum of its proper divisors (280352855).

1400536465 is an equidigital number, since it uses as much as digits as its factorization.

1400536465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40931.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1400536465 is about 37423.7419962248. The cubic root of 1400536465 is about 1118.8318137062.

The spelling of 1400536465 in words is "one billion, four hundred million, five hundred thirty-six thousand, four hundred sixty-five".