140162387 has 2 divisors, whose sum is σ = 140162388. Its totient is φ = 140162386.

The previous prime is 140162383. The next prime is 140162417. The reversal of 140162387 is 783261041.

140162387 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 140162387 - 2² = 140162383 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140162383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70081193 + 70081194.

It is an arithmetic number, because the mean of its divisors is an integer number (70081194).

Almost surely, 2^140162387 is an apocalyptic number.

140162387 is a deficient number, since it is larger than the sum of its proper divisors (1).

140162387 is an equidigital number, since it uses as much as digits as its factorization.

140162387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 140162387 is about 11839.0196806999. The cubic root of 140162387 is about 519.4500929806.

The spelling of 140162387 in words is "one hundred forty million, one hundred sixty-two thousand, three hundred eighty-seven".