146699407 has 2 divisors, whose sum is σ = 146699408. Its totient is φ = 146699406.

The previous prime is 146699401. The next prime is 146699411. The reversal of 146699407 is 704996641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146699407 - 2⁷ = 146699279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146699401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73349703 + 73349704.

It is an arithmetic number, because the mean of its divisors is an integer number (73349704).

Almost surely, 2^146699407 is an apocalyptic number.

146699407 is a deficient number, since it is larger than the sum of its proper divisors (1).

146699407 is an equidigital number, since it uses as much as digits as its factorization.

146699407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 146699407 is about 12111.9530629870. The cubic root of 146699407 is about 527.4032310529.

The spelling of 146699407 in words is "one hundred forty-six million, six hundred ninety-nine thousand, four hundred seven".