1400568901 has 4 divisors (see below), whose sum is σ = 1400706252. Its totient is φ = 1400431552.

The previous prime is 1400568899. The next prime is 1400568929. The reversal of 1400568901 is 1098650041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1120508676 + 280060225 = 33474^2 + 16735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400568901 - 2¹ = 1400568899 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 (1400568931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52036 + ... + 74221.

It is an arithmetic number, because the mean of its divisors is an integer number (350176563).

Almost surely, 2^1400568901 is an apocalyptic number.

It is an amenable number.

1400568901 is a deficient number, since it is larger than the sum of its proper divisors (137351).

1400568901 is a wasteful number, since it uses less digits than its factorization.

1400568901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137350.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1400568901 is about 37424.1753549761. The cubic root of 1400568901 is about 1118.8404509081.

The spelling of 1400568901 in words is "one billion, four hundred million, five hundred sixty-eight thousand, nine hundred one".