146171825939 has 8 divisors (see below), whose sum is σ = 151611222000. Its totient is φ = 140759029152.

The previous prime is 146171825929. The next prime is 146171825953. The reversal of 146171825939 is 939528171641.

It is a happy number.

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 146171825939 - 2²⁸ = 145903390483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146171825929) 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 7 ways as a sum of consecutive naturals, for example, 6638624 + ... + 6660605.

It is an arithmetic number, because the mean of its divisors is an integer number (18951402750).

Almost surely, 2^146171825939 is an apocalyptic number.

146171825939 is a deficient number, since it is larger than the sum of its proper divisors (5439396061).

146171825939 is a wasteful number, since it uses less digits than its factorization.

146171825939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299637.

The product of its digits is 3265920, while the sum is 56.

The spelling of 146171825939 in words is "one hundred forty-six billion, one hundred seventy-one million, eight hundred twenty-five thousand, nine hundred thirty-nine".