135230251140 has 48 divisors (see below), whose sum is σ = 420716338560. Its totient is φ = 36061400160.

The previous prime is 135230251133. The next prime is 135230251147. The reversal of 135230251140 is 41152032531.

135230251140 is a `hidden beast` number, since 1 + 3 + 523 + 0 + 25 + 114 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (135230251133) and next prime (135230251147).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135230251147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125212656 + ... + 125213735.

It is an arithmetic number, because the mean of its divisors is an integer number (8764923720).

Almost surely, 2^135230251140 is an apocalyptic number.

135230251140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135230251140 is an abundant number, since it is smaller than the sum of its proper divisors (285486087420).

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

135230251140 is a wasteful number, since it uses less digits than its factorization.

135230251140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250426409 (or 250426401 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 135230251140 its reverse (41152032531), we get a palindrome (176382283671).

The spelling of 135230251140 in words is "one hundred thirty-five billion, two hundred thirty million, two hundred fifty-one thousand, one hundred forty".