1402011143 has 4 divisors (see below), whose sum is σ = 1509858168. Its totient is φ = 1294164120.

The previous prime is 1402011137. The next prime is 1402011157. The reversal of 1402011143 is 3411102041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1402011143 - 2²² = 1397816839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402011103) 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, 53923493 + ... + 53923518.

It is an arithmetic number, because the mean of its divisors is an integer number (377464542).

Almost surely, 2^1402011143 is an apocalyptic number.

1402011143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1402011143 is a deficient number, since it is larger than the sum of its proper divisors (107847025).

1402011143 is a wasteful number, since it uses less digits than its factorization.

1402011143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107847024.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1402011143 is about 37443.4392517568. The cubic root of 1402011143 is about 1119.2243627888.

Adding to 1402011143 its reverse (3411102041), we get a palindrome (4813113184).

The spelling of 1402011143 in words is "one billion, four hundred two million, eleven thousand, one hundred forty-three".