146049139 has 2 divisors, whose sum is σ = 146049140. Its totient is φ = 146049138.

The previous prime is 146049121. The next prime is 146049151. The reversal of 146049139 is 931940641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146049139 - 2⁹ = 146048627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146049098 and 146049107.

It is not a weakly prime, because it can be changed into another prime (146049109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73024569 + 73024570.

It is an arithmetic number, because the mean of its divisors is an integer number (73024570).

Almost surely, 2^146049139 is an apocalyptic number.

146049139 is a deficient number, since it is larger than the sum of its proper divisors (1).

146049139 is an equidigital number, since it uses as much as digits as its factorization.

146049139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 146049139 is about 12085.0791888179. The cubic root of 146049139 is about 526.6228111126.

The spelling of 146049139 in words is "one hundred forty-six million, forty-nine thousand, one hundred thirty-nine".