102140502 has 8 divisors (see below), whose sum is σ = 204281016. Its totient is φ = 34046832.

The previous prime is 102140501. The next prime is 102140503. The reversal of 102140502 is 205041201.

It is an interprime number because it is at equal distance from previous prime (102140501) and next prime (102140503).

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

102140502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140501) 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, 8511703 + ... + 8511714.

It is an arithmetic number, because the mean of its divisors is an integer number (25535127).

Almost surely, 2^102140502 is an apocalyptic number.

102140502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102140502 is a wasteful number, since it uses less digits than its factorization.

102140502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023422.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102140502 is about 10106.4584301327. The cubic root of 102140502 is about 467.4473075865.

Adding to 102140502 its reverse (205041201), we get a palindrome (307181703).

The spelling of 102140502 in words is "one hundred two million, one hundred forty thousand, five hundred two".