146374939 has 4 divisors (see below), whose sum is σ = 146809624. Its totient is φ = 145940256.

The previous prime is 146374937. The next prime is 146374979. The reversal of 146374939 is 939473641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939473641 = 1129 ⋅832129.

It is a cyclic number.

It is not a de Polignac number, because 146374939 - 2¹ = 146374937 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (146374931) 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, 216837 + ... + 217510.

It is an arithmetic number, because the mean of its divisors is an integer number (36702406).

Almost surely, 2^146374939 is an apocalyptic number.

146374939 is a deficient number, since it is larger than the sum of its proper divisors (434685).

146374939 is an equidigital number, since it uses as much as digits as its factorization.

146374939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434684.

The product of its digits is 489888, while the sum is 46.

The square root of 146374939 is about 12098.5511116001. The cubic root of 146374939 is about 527.0141092999.

The spelling of 146374939 in words is "one hundred forty-six million, three hundred seventy-four thousand, nine hundred thirty-nine".