138280020603 has 16 divisors (see below), whose sum is σ = 195404674176. Its totient is φ = 86681347200.

The previous prime is 138280020577. The next prime is 138280020611. The reversal of 138280020603 is 306020082831.

It is not a de Polignac number, because 138280020603 - 2⁹ = 138280020091 is a prime.

It is a super-2 number, since 2×138280020603² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138280020503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236301 + ... + 1343502.

It is an arithmetic number, because the mean of its divisors is an integer number (12212792136).

Almost surely, 2^138280020603 is an apocalyptic number.

138280020603 is a deficient number, since it is larger than the sum of its proper divisors (57124653573).

138280020603 is a wasteful number, since it uses less digits than its factorization.

138280020603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580874.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 138280020603 in words is "one hundred thirty-eight billion, two hundred eighty million, twenty thousand, six hundred three".