135751201 has 4 divisors (see below), whose sum is σ = 140130304. Its totient is φ = 131372100.

The previous prime is 135751177. The next prime is 135751229. The reversal of 135751201 is 102157531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102157531 = 7 ⋅14593933.

It is a cyclic number.

It is not a de Polignac number, because 135751201 - 2²⁵ = 102196769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135731201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189505 + ... + 2189566.

It is an arithmetic number, because the mean of its divisors is an integer number (35032576).

Almost surely, 2^135751201 is an apocalyptic number.

It is an amenable number.

135751201 is a deficient number, since it is larger than the sum of its proper divisors (4379103).

135751201 is an equidigital number, since it uses as much as digits as its factorization.

135751201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379102.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 135751201 is about 11651.2317374602. The cubic root of 135751201 is about 513.9425324478.

The spelling of 135751201 in words is "one hundred thirty-five million, seven hundred fifty-one thousand, two hundred one".