938106140 has 24 divisors (see below), whose sum is σ = 2023268352. Its totient is φ = 365100480.

The previous prime is 938106139. The next prime is 938106149. The reversal of 938106140 is 41601839.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 938106097 and 938106106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938106149) 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, 633116 + ... + 634595.

It is an arithmetic number, because the mean of its divisors is an integer number (84302848).

Almost surely, 2^938106140 is an apocalyptic number.

It is an amenable number.

938106140 is an abundant number, since it is smaller than the sum of its proper divisors (1085162212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

938106140 is a wasteful number, since it uses less digits than its factorization.

938106140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267757 (or 1267755 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 938106140 is about 30628.5184101353. The cubic root of 938106140 is about 978.9277944384.

Adding to 938106140 its reverse (41601839), we get a palindrome (979707979).

The spelling of 938106140 in words is "nine hundred thirty-eight million, one hundred six thousand, one hundred forty".