146931677 has 2 divisors, whose sum is σ = 146931678. Its totient is φ = 146931676.

The previous prime is 146931671. The next prime is 146931679. The reversal of 146931677 is 776139641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138556441 + 8375236 = 11771^2 + 2894^2 .

It is a cyclic number.

It is not a de Polignac number, because 146931677 - 2¹² = 146927581 is a prime.

Together with 146931679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146931671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73465838 + 73465839.

It is an arithmetic number, because the mean of its divisors is an integer number (73465839).

Almost surely, 2^146931677 is an apocalyptic number.

It is an amenable number.

146931677 is a deficient number, since it is larger than the sum of its proper divisors (1).

146931677 is an equidigital number, since it uses as much as digits as its factorization.

146931677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 146931677 is about 12121.5377324826. The cubic root of 146931677 is about 527.6814311179.

The spelling of 146931677 in words is "one hundred forty-six million, nine hundred thirty-one thousand, six hundred seventy-seven".