102140326 has 8 divisors (see below), whose sum is σ = 154225584. Its totient is φ = 50731800.

The previous prime is 102140317. The next prime is 102140329. The reversal of 102140326 is 623041201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168805 + ... + 169408.

It is an arithmetic number, because the mean of its divisors is an integer number (19278198).

Almost surely, 2^102140326 is an apocalyptic number.

102140326 is a deficient number, since it is larger than the sum of its proper divisors (52085258).

102140326 is a wasteful number, since it uses less digits than its factorization.

102140326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338366.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102140326 is about 10106.4497228255. The cubic root of 102140326 is about 467.4470390976.

Adding to 102140326 its reverse (623041201), we get a palindrome (725181527).

The spelling of 102140326 in words is "one hundred two million, one hundred forty thousand, three hundred twenty-six".