135001200 has 60 divisors (see below), whose sum is σ = 432457688. Its totient is φ = 36000000.

The previous prime is 135001183. The next prime is 135001201. The reversal of 135001200 is 2100531.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55051 + ... + 57450.

Almost surely, 2^135001200 is an apocalyptic number.

135001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135001200 is an abundant number, since it is smaller than the sum of its proper divisors (297456488).

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

135001200 is a wasteful number, since it uses less digits than its factorization.

135001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112522 (or 112511 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 135001200 is about 11619.0016782854. The cubic root of 135001200 is about 512.9943039771.

Adding to 135001200 its reverse (2100531), we get a palindrome (137101731).

The spelling of 135001200 in words is "one hundred thirty-five million, one thousand, two hundred".