146290939 has 2 divisors, whose sum is σ = 146290940. Its totient is φ = 146290938.

The previous prime is 146290909. The next prime is 146290951. The reversal of 146290939 is 939092641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146290939 - 2²¹ = 144193787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146290895 and 146290904.

It is not a weakly prime, because it can be changed into another prime (146290909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73145469 + 73145470.

It is an arithmetic number, because the mean of its divisors is an integer number (73145470).

Almost surely, 2^146290939 is an apocalyptic number.

146290939 is a deficient number, since it is larger than the sum of its proper divisors (1).

146290939 is an equidigital number, since it uses as much as digits as its factorization.

146290939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 146290939 is about 12095.0791233460. The cubic root of 146290939 is about 526.9132777040.

The spelling of 146290939 in words is "one hundred forty-six million, two hundred ninety thousand, nine hundred thirty-nine".