162140399 has 2 divisors, whose sum is σ = 162140400. Its totient is φ = 162140398.

The previous prime is 162140393. The next prime is 162140411. The reversal of 162140399 is 993041261.

162140399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162140399 - 2⁴ = 162140383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162140393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81070199 + 81070200.

It is an arithmetic number, because the mean of its divisors is an integer number (81070200).

Almost surely, 2^162140399 is an apocalyptic number.

162140399 is a deficient number, since it is larger than the sum of its proper divisors (1).

162140399 is an equidigital number, since it uses as much as digits as its factorization.

162140399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 162140399 is about 12733.4362604915. The cubic root of 162140399 is about 545.2936150399.

The spelling of 162140399 in words is "one hundred sixty-two million, one hundred forty thousand, three hundred ninety-nine".