140275787 has 2 divisors, whose sum is σ = 140275788. Its totient is φ = 140275786.

The previous prime is 140275771. The next prime is 140275831. The reversal of 140275787 is 787572041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140275787 - 2⁴ = 140275771 is a prime.

It is not a weakly prime, because it can be changed into another prime (140275747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70137893 + 70137894.

It is an arithmetic number, because the mean of its divisors is an integer number (70137894).

Almost surely, 2^140275787 is an apocalyptic number.

140275787 is a deficient number, since it is larger than the sum of its proper divisors (1).

140275787 is an equidigital number, since it uses as much as digits as its factorization.

140275787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 140275787 is about 11843.8079602803. The cubic root of 140275787 is about 519.5901442521.

The spelling of 140275787 in words is "one hundred forty million, two hundred seventy-five thousand, seven hundred eighty-seven".