137165917947 has 8 divisors (see below), whose sum is σ = 183483617856. Its totient is φ = 91146081672.

The previous prime is 137165917907. The next prime is 137165917951. The reversal of 137165917947 is 749719561731.

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

It is a de Polignac number, because none of the positive numbers 2^k-137165917947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137165917907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74464833 + ... + 74466674.

It is an arithmetic number, because the mean of its divisors is an integer number (22935452232).

Almost surely, 2^137165917947 is an apocalyptic number.

137165917947 is a deficient number, since it is larger than the sum of its proper divisors (46317699909).

137165917947 is a wasteful number, since it uses less digits than its factorization.

137165917947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148931817.

The product of its digits is 10001880, while the sum is 60.

The spelling of 137165917947 in words is "one hundred thirty-seven billion, one hundred sixty-five million, nine hundred seventeen thousand, nine hundred forty-seven".