135405152140 has 24 divisors (see below), whose sum is σ = 288594864432. Its totient is φ = 53353671360.

The previous prime is 135405152063. The next prime is 135405152143. The reversal of 135405152140 is 41251504531.

It is not an unprimeable number, because it can be changed into a prime (135405152143) 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, 50522971 + ... + 50525650.

It is an arithmetic number, because the mean of its divisors is an integer number (12024786018).

Almost surely, 2^135405152140 is an apocalyptic number.

135405152140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135405152140 is an abundant number, since it is smaller than the sum of its proper divisors (153189712292).

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

135405152140 is a wasteful number, since it uses less digits than its factorization.

135405152140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101048697 (or 101048695 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 135405152140 its reverse (41251504531), we get a palindrome (176656656671).

The spelling of 135405152140 in words is "one hundred thirty-five billion, four hundred five million, one hundred fifty-two thousand, one hundred forty".