146134016887 has 4 divisors (see below), whose sum is σ = 149532482440. Its totient is φ = 142735551336.

The previous prime is 146134016857. The next prime is 146134016891. The reversal of 146134016887 is 788610431641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146134016887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146134016887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146134016857) 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, 1699232712 + ... + 1699232797.

It is an arithmetic number, because the mean of its divisors is an integer number (37383120610).

Almost surely, 2^146134016887 is an apocalyptic number.

146134016887 is a deficient number, since it is larger than the sum of its proper divisors (3398465553).

146134016887 is an equidigital number, since it uses as much as digits as its factorization.

146134016887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398465552.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 146134016887 in words is "one hundred forty-six billion, one hundred thirty-four million, sixteen thousand, eight hundred eighty-seven".