140157799 has 2 divisors, whose sum is σ = 140157800. Its totient is φ = 140157798.

The previous prime is 140157781. The next prime is 140157821. The reversal of 140157799 is 997751041.

140157799 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 140157799 - 2⁵ = 140157767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140157499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70078899 + 70078900.

It is an arithmetic number, because the mean of its divisors is an integer number (70078900).

Almost surely, 2^140157799 is an apocalyptic number.

140157799 is a deficient number, since it is larger than the sum of its proper divisors (1).

140157799 is an equidigital number, since it uses as much as digits as its factorization.

140157799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 140157799 is about 11838.8259130709. The cubic root of 140157799 is about 519.4444251190. Note that the first 4 decimals are identical.

The spelling of 140157799 in words is "one hundred forty million, one hundred fifty-seven thousand, seven hundred ninety-nine".