146130506 has 4 divisors (see below), whose sum is σ = 219195762. Its totient is φ = 73065252.

The previous prime is 146130499. The next prime is 146130533. The reversal of 146130506 is 605031641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136773025 + 9357481 = 11695^2 + 3059^2 .

It is an unprimeable number.

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, 36532625 + ... + 36532628.

Almost surely, 2^146130506 is an apocalyptic number.

146130506 is a deficient number, since it is larger than the sum of its proper divisors (73065256).

146130506 is an equidigital number, since it uses as much as digits as its factorization.

146130506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73065255.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 146130506 is about 12088.4451440208. The cubic root of 146130506 is about 526.7205904480.

The spelling of 146130506 in words is "one hundred forty-six million, one hundred thirty thousand, five hundred six".