102142036 has 24 divisors (see below), whose sum is σ = 182905856. Its totient is φ = 49896000.

The previous prime is 102142021. The next prime is 102142037. The reversal of 102142036 is 630241201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102142037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32536 + ... + 35536.

Almost surely, 2^102142036 is an apocalyptic number.

It is an amenable number.

102142036 is a deficient number, since it is larger than the sum of its proper divisors (80763820).

102142036 is a wasteful number, since it uses less digits than its factorization.

102142036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102142036 is about 10106.5343219127. The cubic root of 102142036 is about 467.4496476983.

Adding to 102142036 its reverse (630241201), we get a palindrome (732383237).

The spelling of 102142036 in words is "one hundred two million, one hundred forty-two thousand, thirty-six".