138757803 has 8 divisors (see below), whose sum is σ = 185433600. Its totient is φ = 92293608.

The previous prime is 138757799. The next prime is 138757813. The reversal of 138757803 is 308757831.

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

It is not a de Polignac number, because 138757803 - 2² = 138757799 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (138757813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51363 + ... + 53996.

It is an arithmetic number, because the mean of its divisors is an integer number (23179200).

Almost surely, 2^138757803 is an apocalyptic number.

138757803 is a deficient number, since it is larger than the sum of its proper divisors (46675797).

138757803 is a wasteful number, since it uses less digits than its factorization.

138757803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105801.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 138757803 is about 11779.5502036368. The cubic root of 138757803 is about 517.7091073073.

The spelling of 138757803 in words is "one hundred thirty-eight million, seven hundred fifty-seven thousand, eight hundred three".