1402740117 has 12 divisors (see below), whose sum is σ = 2028225420. Its totient is φ = 934216128.

The previous prime is 1402740107. The next prime is 1402740139. The reversal of 1402740117 is 7110472041.

It can be written as a sum of positive squares in 2 ways, for example, as 974001681 + 428738436 = 31209^2 + 20706^2 .

It is not a de Polignac number, because 1402740117 - 2¹¹ = 1402738069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402740107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69192 + ... + 87137.

It is an arithmetic number, because the mean of its divisors is an integer number (169018785).

Almost surely, 2^1402740117 is an apocalyptic number.

It is an amenable number.

1402740117 is a deficient number, since it is larger than the sum of its proper divisors (625485303).

1402740117 is a wasteful number, since it uses less digits than its factorization.

1402740117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157332 (or 157329 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1402740117 is about 37453.1723222480. The cubic root of 1402740117 is about 1119.4183089637.

The spelling of 1402740117 in words is "one billion, four hundred two million, seven hundred forty thousand, one hundred seventeen".