146986127729 has 4 divisors (see below), whose sum is σ = 167984145984. Its totient is φ = 125988109476.

The previous prime is 146986127699. The next prime is 146986127767. The reversal of 146986127729 is 927721689641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146986127729 - 2³⁶ = 78266650993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146986121729) 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, 10499009117 + ... + 10499009130.

It is an arithmetic number, because the mean of its divisors is an integer number (41996036496).

Almost surely, 2^146986127729 is an apocalyptic number.

It is an amenable number.

146986127729 is a deficient number, since it is larger than the sum of its proper divisors (20998018255).

146986127729 is an equidigital number, since it uses as much as digits as its factorization.

146986127729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20998018254.

The product of its digits is 18289152, while the sum is 62.

The spelling of 146986127729 in words is "one hundred forty-six billion, nine hundred eighty-six million, one hundred twenty-seven thousand, seven hundred twenty-nine".