137916766538 has 8 divisors (see below), whose sum is σ = 207159712032. Its totient is φ = 68863529196.

The previous prime is 137916766531. The next prime is 137916766571. The reversal of 137916766538 is 835667619731.

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

It is not an unprimeable number, because it can be changed into a prime (137916766531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47425220 + ... + 47428127.

It is an arithmetic number, because the mean of its divisors is an integer number (25894964004).

Almost surely, 2^137916766538 is an apocalyptic number.

137916766538 is a deficient number, since it is larger than the sum of its proper divisors (69242945494).

137916766538 is an equidigital number, since it uses as much as digits as its factorization.

137916766538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94854076.

The product of its digits is 34292160, while the sum is 62.

The spelling of 137916766538 in words is "one hundred thirty-seven billion, nine hundred sixteen million, seven hundred sixty-six thousand, five hundred thirty-eight".