135201547 has 8 divisors (see below), whose sum is σ = 146651120. Its totient is φ = 123901920.

The previous prime is 135201523. The next prime is 135201623. The reversal of 135201547 is 745102531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135201547 - 2¹⁵ = 135168779 is a prime.

It is a super-2 number, since 2×135201547² = 36558916622386418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135201047) 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, 35604 + ... + 39217.

It is an arithmetic number, because the mean of its divisors is an integer number (18331390).

Almost surely, 2^135201547 is an apocalyptic number.

135201547 is a deficient number, since it is larger than the sum of its proper divisors (11449573).

135201547 is a wasteful number, since it uses less digits than its factorization.

135201547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74973.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 135201547 is about 11627.6200058309. The cubic root of 135201547 is about 513.2479463400.

The spelling of 135201547 in words is "one hundred thirty-five million, two hundred one thousand, five hundred forty-seven".