146937439 has 12 divisors (see below), whose sum is σ = 162217440. Its totient is φ = 132994400.

The previous prime is 146937433. The next prime is 146937451. The reversal of 146937439 is 934739641.

It is not a de Polignac number, because 146937439 - 2¹³ = 146929247 is a prime.

It is a super-2 number, since 2×146937439² = 43181221959757442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146937433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26379 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (13518120).

Almost surely, 2^146937439 is an apocalyptic number.

146937439 is a deficient number, since it is larger than the sum of its proper divisors (15280001).

146937439 is a wasteful number, since it uses less digits than its factorization.

146937439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5331 counting only the distinct ones).

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

The square root of 146937439 is about 12121.7754062678. The cubic root of 146937439 is about 527.6883287924.

The spelling of 146937439 in words is "one hundred forty-six million, nine hundred thirty-seven thousand, four hundred thirty-nine".