103900190 has 16 divisors (see below), whose sum is σ = 187339392. Its totient is φ = 41489184.

The previous prime is 103900171. The next prime is 103900213. The reversal of 103900190 is 91009301.

It is a super-2 number, since 2×103900190² = 21590498964072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489 + ... + 14628.

It is an arithmetic number, because the mean of its divisors is an integer number (11708712).

Almost surely, 2^103900190 is an apocalyptic number.

103900190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103900190 is a deficient number, since it is larger than the sum of its proper divisors (83439202).

103900190 is a wasteful number, since it uses less digits than its factorization.

103900190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17731.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 103900190 is about 10193.1442646516. The cubic root of 103900190 is about 470.1164491900.

Adding to 103900190 its reverse (91009301), we get a palindrome (194909491).

The spelling of 103900190 in words is "one hundred three million, nine hundred thousand, one hundred ninety".