135402102 has 48 divisors (see below), whose sum is σ = 331091280. Its totient is φ = 39614400.

The previous prime is 135402101. The next prime is 135402107. The reversal of 135402102 is 201204531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135402101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6049 + ... + 17532.

It is an arithmetic number, because the mean of its divisors is an integer number (6897735).

Almost surely, 2^135402102 is an apocalyptic number.

135402102 is an abundant number, since it is smaller than the sum of its proper divisors (195689178).

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

135402102 is a wasteful number, since it uses less digits than its factorization.

135402102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629 (or 23626 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 135402102 is about 11636.2408878469. The cubic root of 135402102 is about 513.5016011962.

Adding to 135402102 its reverse (201204531), we get a palindrome (336606633).

The spelling of 135402102 in words is "one hundred thirty-five million, four hundred two thousand, one hundred two".