135849140 has 24 divisors (see below), whose sum is σ = 326038272. Its totient is φ = 46576800.

The previous prime is 135849101. The next prime is 135849143. The reversal of 135849140 is 41948531.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 135849140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135849143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 485036 + ... + 485315.

It is an arithmetic number, because the mean of its divisors is an integer number (13584928).

Almost surely, 2^135849140 is an apocalyptic number.

135849140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135849140 is an abundant number, since it is smaller than the sum of its proper divisors (190189132).

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

135849140 is a wasteful number, since it uses less digits than its factorization.

135849140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970367 (or 970365 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 135849140 is about 11655.4339258562. The cubic root of 135849140 is about 514.0660989853.

It can be divided in two parts, 1358491 and 40, that added together give a palindrome (1358531).

The spelling of 135849140 in words is "one hundred thirty-five million, eight hundred forty-nine thousand, one hundred forty".