140271877 has 2 divisors, whose sum is σ = 140271878. Its totient is φ = 140271876.

The previous prime is 140271863. The next prime is 140271883. The reversal of 140271877 is 778172041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132687361 + 7584516 = 11519^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 140271877 - 2⁷ = 140271749 is a prime.

It is equal to p_7926625 and since 140271877 and 7926625 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140271827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70135938 + 70135939.

It is an arithmetic number, because the mean of its divisors is an integer number (70135939).

Almost surely, 2^140271877 is an apocalyptic number.

It is an amenable number.

140271877 is a deficient number, since it is larger than the sum of its proper divisors (1).

140271877 is an equidigital number, since it uses as much as digits as its factorization.

140271877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 140271877 is about 11843.6428939748. The cubic root of 140271877 is about 519.5853165805.

The spelling of 140271877 in words is "one hundred forty million, two hundred seventy-one thousand, eight hundred seventy-seven".