140562677 has 2 divisors, whose sum is σ = 140562678. Its totient is φ = 140562676.

The previous prime is 140562661. The next prime is 140562679. The reversal of 140562677 is 776265041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 44542276 = 9799^2 + 6674^2 .

It is an emirp because it is prime and its reverse (776265041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140562677 - 2⁴ = 140562661 is a prime.

Together with 140562679, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_7942097 and since 140562677 and 7942097 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140562677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140562679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70281338 + 70281339.

It is an arithmetic number, because the mean of its divisors is an integer number (70281339).

Almost surely, 2^140562677 is an apocalyptic number.

It is an amenable number.

140562677 is a deficient number, since it is larger than the sum of its proper divisors (1).

140562677 is an equidigital number, since it uses as much as digits as its factorization.

140562677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 140562677 is about 11855.9131660113. The cubic root of 140562677 is about 519.9441224475.

The spelling of 140562677 in words is "one hundred forty million, five hundred sixty-two thousand, six hundred seventy-seven".