146940407 has 2 divisors, whose sum is σ = 146940408. Its totient is φ = 146940406.

The previous prime is 146940389. The next prime is 146940413. The reversal of 146940407 is 704049641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146940407 - 2²⁰ = 145891831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146940487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73470203 + 73470204.

It is an arithmetic number, because the mean of its divisors is an integer number (73470204).

Almost surely, 2^146940407 is an apocalyptic number.

146940407 is a deficient number, since it is larger than the sum of its proper divisors (1).

146940407 is an equidigital number, since it uses as much as digits as its factorization.

146940407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 146940407 is about 12121.8978299605. The cubic root of 146940407 is about 527.6918817068.

The spelling of 146940407 in words is "one hundred forty-six million, nine hundred forty thousand, four hundred seven".