146402740091 has 2 divisors, whose sum is σ = 146402740092. Its totient is φ = 146402740090.

The previous prime is 146402740073. The next prime is 146402740111. The reversal of 146402740091 is 190047204641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146402740091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (146402740031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73201370045 + 73201370046.

It is an arithmetic number, because the mean of its divisors is an integer number (73201370046).

Almost surely, 2^146402740091 is an apocalyptic number.

146402740091 is a deficient number, since it is larger than the sum of its proper divisors (1).

146402740091 is an equidigital number, since it uses as much as digits as its factorization.

146402740091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 146402740091 in words is "one hundred forty-six billion, four hundred two million, seven hundred forty thousand, ninety-one".