83154845138 has 8 divisors (see below), whose sum is σ = 124733798640. Its totient is φ = 41576912260.

The previous prime is 83154845119. The next prime is 83154845149.

83154845138 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728 + ... + 407811.

It is an arithmetic number, because the mean of its divisors is an integer number (15591724830).

Almost surely, 2^83154845138 is an apocalyptic number.

83154845138 is a deficient number, since it is larger than the sum of its proper divisors (41578953502).

83154845138 is a wasteful number, since it uses less digits than its factorization.

83154845138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510312.

The product of its digits is 1843200, while the sum is 50.

The spelling of 83154845138 in words is "eighty-three billion, one hundred fifty-four million, eight hundred forty-five thousand, one hundred thirty-eight".