102406136 has 16 divisors (see below), whose sum is σ = 219441840. Its totient is φ = 43888320.

The previous prime is 102406133. The next prime is 102406141. The reversal of 102406136 is 631604201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102406133) 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, 914285 + ... + 914396.

It is an arithmetic number, because the mean of its divisors is an integer number (13715115).

Almost surely, 2^102406136 is an apocalyptic number.

It is an amenable number.

102406136 is an abundant number, since it is smaller than the sum of its proper divisors (117035704).

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

102406136 is a wasteful number, since it uses less digits than its factorization.

102406136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828694 (or 1828690 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102406136 is about 10119.5916913678. The cubic root of 102406136 is about 467.8521826008.

The spelling of 102406136 in words is "one hundred two million, four hundred six thousand, one hundred thirty-six".