140652077 has 2 divisors, whose sum is σ = 140652078. Its totient is φ = 140652076.

The previous prime is 140652073. The next prime is 140652091. The reversal of 140652077 is 770256041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100380361 + 40271716 = 10019^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 140652077 - 2² = 140652073 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 (140652073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70326038 + 70326039.

It is an arithmetic number, because the mean of its divisors is an integer number (70326039).

Almost surely, 2^140652077 is an apocalyptic number.

It is an amenable number.

140652077 is a deficient number, since it is larger than the sum of its proper divisors (1).

140652077 is an equidigital number, since it uses as much as digits as its factorization.

140652077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 140652077 is about 11859.6828372432. The cubic root of 140652077 is about 520.0543298757.

The spelling of 140652077 in words is "one hundred forty million, six hundred fifty-two thousand, seventy-seven".