146840677 has 2 divisors, whose sum is σ = 146840678. Its totient is φ = 146840676.

The previous prime is 146840653. The next prime is 146840689. The reversal of 146840677 is 776048641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131583841 + 15256836 = 11471^2 + 3906^2 .

It is a cyclic number.

It is not a de Polignac number, because 146840677 - 2²⁷ = 12622949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146840627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73420338 + 73420339.

It is an arithmetic number, because the mean of its divisors is an integer number (73420339).

Almost surely, 2^146840677 is an apocalyptic number.

It is an amenable number.

146840677 is a deficient number, since it is larger than the sum of its proper divisors (1).

146840677 is an equidigital number, since it uses as much as digits as its factorization.

146840677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 146840677 is about 12117.7835019446. The cubic root of 146840677 is about 527.5724713439.

The spelling of 146840677 in words is "one hundred forty-six million, eight hundred forty thousand, six hundred seventy-seven".