146739697 has 8 divisors (see below), whose sum is σ = 161882280. Its totient is φ = 132147840.

The previous prime is 146739661. The next prime is 146739713. The reversal of 146739697 is 796937641.

It can be written as a sum of positive squares in 4 ways, for example, as 9006001 + 137733696 = 3001^2 + 11736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146739697 - 2¹⁵ = 146706929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146739497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137122 + ... + 138187.

It is an arithmetic number, because the mean of its divisors is an integer number (20235285).

Almost surely, 2^146739697 is an apocalyptic number.

It is an amenable number.

146739697 is a deficient number, since it is larger than the sum of its proper divisors (15142583).

146739697 is a wasteful number, since it uses less digits than its factorization.

146739697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275363.

The product of its digits is 1714608, while the sum is 52.

The square root of 146739697 is about 12113.6161818014. The cubic root of 146739697 is about 527.4515092103.

The spelling of 146739697 in words is "one hundred forty-six million, seven hundred thirty-nine thousand, six hundred ninety-seven".