137894216803 has 4 divisors (see below), whose sum is σ = 157593390640. Its totient is φ = 118195042968.

The previous prime is 137894216753. The next prime is 137894216807. The reversal of 137894216803 is 308612498731.

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

It is a cyclic number.

It is not a de Polignac number, because 137894216803 - 2¹⁷ = 137894085731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137894216807) 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, 9849586908 + ... + 9849586921.

It is an arithmetic number, because the mean of its divisors is an integer number (39398347660).

Almost surely, 2^137894216803 is an apocalyptic number.

137894216803 is a deficient number, since it is larger than the sum of its proper divisors (19699173837).

137894216803 is an equidigital number, since it uses as much as digits as its factorization.

137894216803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19699173836.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 137894216803 in words is "one hundred thirty-seven billion, eight hundred ninety-four million, two hundred sixteen thousand, eight hundred three".