140156087 has 2 divisors, whose sum is σ = 140156088. Its totient is φ = 140156086.

The previous prime is 140155993. The next prime is 140156147. The reversal of 140156087 is 780651041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140156087 - 2⁸ = 140155831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140156287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70078043 + 70078044.

It is an arithmetic number, because the mean of its divisors is an integer number (70078044).

Almost surely, 2^140156087 is an apocalyptic number.

140156087 is a deficient number, since it is larger than the sum of its proper divisors (1).

140156087 is an equidigital number, since it uses as much as digits as its factorization.

140156087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 140156087 is about 11838.7536083829. The cubic root of 140156087 is about 519.4423101398.

It can be divided in two parts, 14015 and 6087, that added together give a palindrome (20102).

The spelling of 140156087 in words is "one hundred forty million, one hundred fifty-six thousand, eighty-seven".