142086677 has 2 divisors, whose sum is σ = 142086678. Its totient is φ = 142086676.

The previous prime is 142086653. The next prime is 142086683. The reversal of 142086677 is 776680241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139972561 + 2114116 = 11831^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 142086677 - 2⁸ = 142086421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142086647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71043338 + 71043339.

It is an arithmetic number, because the mean of its divisors is an integer number (71043339).

Almost surely, 2^142086677 is an apocalyptic number.

It is an amenable number.

142086677 is a deficient number, since it is larger than the sum of its proper divisors (1).

142086677 is an equidigital number, since it uses as much as digits as its factorization.

142086677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 142086677 is about 11920.0116191219. The cubic root of 142086677 is about 521.8164739464.

The spelling of 142086677 in words is "one hundred forty-two million, eighty-six thousand, six hundred seventy-seven".