137768803 has 4 divisors (see below), whose sum is σ = 137831688. Its totient is φ = 137705920.

The previous prime is 137768789. The next prime is 137768819. The reversal of 137768803 is 308867731.

137768803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308867731 = 10009 ⋅30859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137768803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137768803.

It is not an unprimeable number, because it can be changed into a prime (137768843) 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, 28033 + ... + 32578.

It is an arithmetic number, because the mean of its divisors is an integer number (34457922).

Almost surely, 2^137768803 is an apocalyptic number.

137768803 is a deficient number, since it is larger than the sum of its proper divisors (62885).

137768803 is an equidigital number, since it uses as much as digits as its factorization.

137768803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62884.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 137768803 is about 11737.4956017031. The cubic root of 137768803 is about 516.4761781766.

The spelling of 137768803 in words is "one hundred thirty-seven million, seven hundred sixty-eight thousand, eight hundred three".