135001131 has 8 divisors (see below), whose sum is σ = 190589904. Its totient is φ = 84706560.

The previous prime is 135001121. The next prime is 135001183. The reversal of 135001131 is 131100531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135001131 - 2¹¹ = 134999083 is a prime.

It is a super-2 number, since 2×135001131² = 36450610742558322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135001131.

It is not an unprimeable number, because it can be changed into a prime (135001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323490 + ... + 1323591.

It is an arithmetic number, because the mean of its divisors is an integer number (23823738).

Almost surely, 2^135001131 is an apocalyptic number.

135001131 is the 7349-th centered pentagonal number.

135001131 is a deficient number, since it is larger than the sum of its proper divisors (55588773).

135001131 is a wasteful number, since it uses less digits than its factorization.

135001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647101.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 135001131 is about 11618.9987090110. The cubic root of 135001131 is about 512.9942165789.

Adding to 135001131 its reverse (131100531), we get a palindrome (266101662).

The spelling of 135001131 in words is "one hundred thirty-five million, one thousand, one hundred thirty-one".