102135707 has 4 divisors (see below), whose sum is σ = 104511000. Its totient is φ = 99760416.

The previous prime is 102135689. The next prime is 102135713. The reversal of 102135707 is 707531201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102135707 - 2²⁰ = 101087131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102135107) 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, 1187582 + ... + 1187667.

It is an arithmetic number, because the mean of its divisors is an integer number (26127750).

Almost surely, 2^102135707 is an apocalyptic number.

102135707 is a deficient number, since it is larger than the sum of its proper divisors (2375293).

102135707 is an equidigital number, since it uses as much as digits as its factorization.

102135707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375292.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 102135707 is about 10106.2212028037. The cubic root of 102135707 is about 467.4399926792.

Adding to 102135707 its reverse (707531201), we get a palindrome (809666908).

The spelling of 102135707 in words is "one hundred two million, one hundred thirty-five thousand, seven hundred seven".