102038194 has 8 divisors (see below), whose sum is σ = 153193500. Its totient is φ = 50973696.

The previous prime is 102038149. The next prime is 102038221. The reversal of 102038194 is 491830201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98743969 + 3294225 = 9937^2 + 1815^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19819 + ... + 24430.

Almost surely, 2^102038194 is an apocalyptic number.

102038194 is a deficient number, since it is larger than the sum of its proper divisors (51155306).

102038194 is a wasteful number, since it uses less digits than its factorization.

102038194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45404.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 102038194 is about 10101.3956461471. The cubic root of 102038194 is about 467.2911841603.

Adding to 102038194 its reverse (491830201), we get a palindrome (593868395).

The spelling of 102038194 in words is "one hundred two million, thirty-eight thousand, one hundred ninety-four".