102137086 has 4 divisors (see below), whose sum is σ = 153205632. Its totient is φ = 51068542.

The previous prime is 102137069. The next prime is 102137093. The reversal of 102137086 is 680731201.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25534270 + ... + 25534273.

It is an arithmetic number, because the mean of its divisors is an integer number (38301408).

Almost surely, 2^102137086 is an apocalyptic number.

102137086 is a deficient number, since it is larger than the sum of its proper divisors (51068546).

102137086 is an equidigital number, since it uses as much as digits as its factorization.

102137086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51068545.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 102137086 is about 10106.2894278761. The cubic root of 102137086 is about 467.4420964059.

Adding to 102137086 its reverse (680731201), we get a palindrome (782868287).

The spelling of 102137086 in words is "one hundred two million, one hundred thirty-seven thousand, eighty-six".