135444901 has 8 divisors (see below), whose sum is σ = 146427680. Its totient is φ = 124847568.

The previous prime is 135444889. The next prime is 135444923. The reversal of 135444901 is 109444531.

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 135444901 - 2¹³ = 135436709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135444931) 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, 95631 + ... + 97036.

It is an arithmetic number, because the mean of its divisors is an integer number (18303460).

Almost surely, 2^135444901 is an apocalyptic number.

It is an amenable number.

135444901 is a deficient number, since it is larger than the sum of its proper divisors (10982779).

135444901 is a wasteful number, since it uses less digits than its factorization.

135444901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192723.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 135444901 is about 11638.0797814760. The cubic root of 135444901 is about 513.5556994205. Note that the first 3 decimals are identical.

The spelling of 135444901 in words is "one hundred thirty-five million, four hundred forty-four thousand, nine hundred one".