102140270 has 8 divisors (see below), whose sum is σ = 183852504. Its totient is φ = 40856104.

The previous prime is 102140251. The next prime is 102140279. The reversal of 102140270 is 72041201.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107004 + ... + 5107023.

It is an arithmetic number, because the mean of its divisors is an integer number (22981563).

Almost surely, 2^102140270 is an apocalyptic number.

102140270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102140270 is a deficient number, since it is larger than the sum of its proper divisors (81712234).

102140270 is a wasteful number, since it uses less digits than its factorization.

102140270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214034.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 102140270 is about 10106.4469523171. The cubic root of 102140270 is about 467.4469536693.

Adding to 102140270 its reverse (72041201), we get a palindrome (174181471).

The spelling of 102140270 in words is "one hundred two million, one hundred forty thousand, two hundred seventy".