146130947 has 4 divisors (see below), whose sum is σ = 146317416. Its totient is φ = 145944480.

The previous prime is 146130923. The next prime is 146130949. The reversal of 146130947 is 749031641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749031641 = 31 ⋅24162311.

It is a cyclic number.

It is not a de Polignac number, because 146130947 - 2⁶ = 146130883 is a prime.

It is a super-2 number, since 2×146130947² = 42708507342233618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146130949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92054 + ... + 93627.

It is an arithmetic number, because the mean of its divisors is an integer number (36579354).

Almost surely, 2^146130947 is an apocalyptic number.

146130947 is a deficient number, since it is larger than the sum of its proper divisors (186469).

146130947 is an equidigital number, since it uses as much as digits as its factorization.

146130947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186468.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 146130947 is about 12088.4633845663. The cubic root of 146130947 is about 526.7211203021.

The spelling of 146130947 in words is "one hundred forty-six million, one hundred thirty thousand, nine hundred forty-seven".