102135130 has 8 divisors (see below), whose sum is σ = 183843252. Its totient is φ = 40854048.

The previous prime is 102135119. The next prime is 102135193. The reversal of 102135130 is 31531201.

It can be written as a sum of positive squares in 2 ways, for example, as 94731289 + 7403841 = 9733^2 + 2721^2 .

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, 5106747 + ... + 5106766.

Almost surely, 2^102135130 is an apocalyptic number.

102135130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102135130 is a deficient number, since it is larger than the sum of its proper divisors (81708122).

102135130 is a wasteful number, since it uses less digits than its factorization.

102135130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213520.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 102135130 is about 10106.1926559907. The cubic root of 102135130 is about 467.4391124341.

Adding to 102135130 its reverse (31531201), we get a palindrome (133666331).

The spelling of 102135130 in words is "one hundred two million, one hundred thirty-five thousand, one hundred thirty".