102140308 has 12 divisors (see below), whose sum is σ = 182902720. Its totient is φ = 49882392.

The previous prime is 102140299. The next prime is 102140317. The reversal of 102140308 is 803041201.

It is an interprime number because it is at equal distance from previous prime (102140299) and next prime (102140317).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296748 + ... + 297091.

Almost surely, 2^102140308 is an apocalyptic number.

It is an amenable number.

102140308 is a deficient number, since it is larger than the sum of its proper divisors (80762412).

102140308 is a wasteful number, since it uses less digits than its factorization.

102140308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593886 (or 593884 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102140308 is about 10106.4488323050. The cubic root of 102140308 is about 467.4470116385.

Adding to 102140308 its reverse (803041201), we get a palindrome (905181509).

The spelling of 102140308 in words is "one hundred two million, one hundred forty thousand, three hundred eight".