146506613 has 4 divisors (see below), whose sum is σ = 159825408. Its totient is φ = 133187820.

The previous prime is 146506603. The next prime is 146506621. The reversal of 146506613 is 316605641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316605641 = 11 ⋅28782331.

It is a cyclic number.

It is not a de Polignac number, because 146506613 - 2²⁶ = 79397749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146506613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146506603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6659381 + ... + 6659402.

It is an arithmetic number, because the mean of its divisors is an integer number (39956352).

Almost surely, 2^146506613 is an apocalyptic number.

It is an amenable number.

146506613 is a deficient number, since it is larger than the sum of its proper divisors (13318795).

146506613 is a wasteful number, since it uses less digits than its factorization.

146506613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318794.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 146506613 is about 12103.9916143395. The cubic root of 146506613 is about 527.1720900274.

The spelling of 146506613 in words is "one hundred forty-six million, five hundred six thousand, six hundred thirteen".