146713405 has 4 divisors (see below), whose sum is σ = 176056092. Its totient is φ = 117370720.

The previous prime is 146713387. The next prime is 146713409. The reversal of 146713405 is 504317641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57108249 + 89605156 = 7557^2 + 9466^2 .

It is not a de Polignac number, because 146713405 - 2⁷ = 146713277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146713409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14671336 + ... + 14671345.

It is an arithmetic number, because the mean of its divisors is an integer number (44014023).

Almost surely, 2^146713405 is an apocalyptic number.

It is an amenable number.

146713405 is a deficient number, since it is larger than the sum of its proper divisors (29342687).

146713405 is an equidigital number, since it uses as much as digits as its factorization.

146713405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29342686.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 146713405 is about 12112.5309081133. The cubic root of 146713405 is about 527.4200053894.

The spelling of 146713405 in words is "one hundred forty-six million, seven hundred thirteen thousand, four hundred five".