102135415 has 8 divisors (see below), whose sum is σ = 122672880. Its totient is φ = 81634752.

The previous prime is 102135413. The next prime is 102135437. The reversal of 102135415 is 514531201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102135415 - 2¹ = 102135413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102135413) 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, 2670 + ... + 14539.

It is an arithmetic number, because the mean of its divisors is an integer number (15334110).

Almost surely, 2^102135415 is an apocalyptic number.

102135415 is a deficient number, since it is larger than the sum of its proper divisors (20537465).

102135415 is a wasteful number, since it uses less digits than its factorization.

102135415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 102135415 is about 10106.2067562464. The cubic root of 102135415 is about 467.4395472176.

Adding to 102135415 its reverse (514531201), we get a palindrome (616666616).

The spelling of 102135415 in words is "one hundred two million, one hundred thirty-five thousand, four hundred fifteen".