1400252135 has 4 divisors (see below), whose sum is σ = 1680302568. Its totient is φ = 1120201704.

The previous prime is 1400252111. The next prime is 1400252159. The reversal of 1400252135 is 5312520041.

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

It is an interprime number because it is at equal distance from previous prime (1400252111) and next prime (1400252159).

It is a cyclic number.

It is not a de Polignac number, because 1400252135 - 2²⁴ = 1383474919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400252135.

It is a congruent 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, 140025209 + ... + 140025218.

It is an arithmetic number, because the mean of its divisors is an integer number (420075642).

Almost surely, 2^1400252135 is an apocalyptic number.

1400252135 is a deficient number, since it is larger than the sum of its proper divisors (280050433).

1400252135 is an equidigital number, since it uses as much as digits as its factorization.

1400252135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280050432.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1400252135 is about 37419.9430117150. The cubic root of 1400252135 is about 1118.7560953446.

Adding to 1400252135 its reverse (5312520041), we get a palindrome (6712772176).

The spelling of 1400252135 in words is "one billion, four hundred million, two hundred fifty-two thousand, one hundred thirty-five".