146138952566 has 8 divisors (see below), whose sum is σ = 219219586704. Its totient is φ = 73065757000.

The previous prime is 146138952539. The next prime is 146138952587. The reversal of 146138952566 is 665259831641.

146138952566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810265 + ... + 1889268.

It is an arithmetic number, because the mean of its divisors is an integer number (27402448338).

Almost surely, 2^146138952566 is an apocalyptic number.

146138952566 is a deficient number, since it is larger than the sum of its proper divisors (73080634138).

146138952566 is a wasteful number, since it uses less digits than its factorization.

146138952566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719286.

The product of its digits is 9331200, while the sum is 56.

The spelling of 146138952566 in words is "one hundred forty-six billion, one hundred thirty-eight million, nine hundred fifty-two thousand, five hundred sixty-six".