146697379 has 4 divisors (see below), whose sum is σ = 146725576. Its totient is φ = 146669184.

The previous prime is 146697377. The next prime is 146697389. The reversal of 146697379 is 973796641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973796641 = 16127 ⋅60383.

It is a cyclic number.

It is not a de Polignac number, because 146697379 - 2¹ = 146697377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146697377) 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, 3774 + ... + 17539.

It is an arithmetic number, because the mean of its divisors is an integer number (36681394).

Almost surely, 2^146697379 is an apocalyptic number.

146697379 is a deficient number, since it is larger than the sum of its proper divisors (28197).

146697379 is an equidigital number, since it uses as much as digits as its factorization.

146697379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196.

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

The square root of 146697379 is about 12111.8693437471. The cubic root of 146697379 is about 527.4008007348.

The spelling of 146697379 in words is "one hundred forty-six million, six hundred ninety-seven thousand, three hundred seventy-nine".