146135401 has 2 divisors, whose sum is σ = 146135402. Its totient is φ = 146135400.

The previous prime is 146135393. The next prime is 146135413. The reversal of 146135401 is 104531641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 56265001 = 9480^2 + 7501^2 .

It is a cyclic number.

It is not a de Polignac number, because 146135401 - 2³ = 146135393 is a prime.

It is not a weakly prime, because it can be changed into another prime (146135501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73067700 + 73067701.

It is an arithmetic number, because the mean of its divisors is an integer number (73067701).

Almost surely, 2^146135401 is an apocalyptic number.

It is an amenable number.

146135401 is a deficient number, since it is larger than the sum of its proper divisors (1).

146135401 is an equidigital number, since it uses as much as digits as its factorization.

146135401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 146135401 is about 12088.6476083969. The cubic root of 146135401 is about 526.7264716487.

The spelling of 146135401 in words is "one hundred forty-six million, one hundred thirty-five thousand, four hundred one".