102135403 has 4 divisors (see below), whose sum is σ = 103659880. Its totient is φ = 100610928.

The previous prime is 102135391. The next prime is 102135409. The reversal of 102135403 is 304531201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102135403 is a prime.

It is a super-3 number, since 3×102135403³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102135409) 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, 762138 + ... + 762271.

It is an arithmetic number, because the mean of its divisors is an integer number (25914970).

Almost surely, 2^102135403 is an apocalyptic number.

102135403 is a deficient number, since it is larger than the sum of its proper divisors (1524477).

102135403 is an equidigital number, since it uses as much as digits as its factorization.

102135403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524476.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102135403 is about 10106.2061625518. The cubic root of 102135403 is about 467.4395289109.

Adding to 102135403 its reverse (304531201), we get a palindrome (406666604).

The spelling of 102135403 in words is "one hundred two million, one hundred thirty-five thousand, four hundred three".