1400090051 has 8 divisors (see below), whose sum is σ = 1405939200. Its totient is φ = 1394253000.

The previous prime is 1400090039. The next prime is 1400090053. The reversal of 1400090051 is 1500900041.

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 1400090051 - 2¹⁰ = 1400089027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400090053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282170 + ... + 287088.

It is an arithmetic number, because the mean of its divisors is an integer number (175742400).

Almost surely, 2^1400090051 is an apocalyptic number.

1400090051 is a deficient number, since it is larger than the sum of its proper divisors (5849149).

1400090051 is an equidigital number, since it uses as much as digits as its factorization.

1400090051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1400090051 is about 37417.7772054942. Note that the first 3 decimals coincide. The cubic root of 1400090051 is about 1118.7129270571.

Adding to 1400090051 its reverse (1500900041), we get a palindrome (2900990092).

The spelling of 1400090051 in words is "one billion, four hundred million, ninety thousand, fifty-one".