1400290355 has 4 divisors (see below), whose sum is σ = 1680348432. Its totient is φ = 1120232280.

The previous prime is 1400290349. The next prime is 1400290417. The reversal of 1400290355 is 5530920041.

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

It is not a de Polignac number, because 1400290355 - 2¹² = 1400286259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140029031 + ... + 140029040.

It is an arithmetic number, because the mean of its divisors is an integer number (420087108).

Almost surely, 2^1400290355 is an apocalyptic number.

1400290355 is a deficient number, since it is larger than the sum of its proper divisors (280058077).

1400290355 is an equidigital number, since it uses as much as digits as its factorization.

1400290355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280058076.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1400290355 is about 37420.4536984789. The cubic root of 1400290355 is about 1118.7662740993.

The spelling of 1400290355 in words is "one billion, four hundred million, two hundred ninety thousand, three hundred fifty-five".