135973941 has 8 divisors (see below), whose sum is σ = 184270944. Its totient is φ = 89163120.

The previous prime is 135973913. The next prime is 135973951. The reversal of 135973941 is 149379531.

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

It is not a de Polignac number, because 135973941 - 2⁵ = 135973909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135973893 and 135973902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135973951) 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, 371331 + ... + 371696.

It is an arithmetic number, because the mean of its divisors is an integer number (23033868).

Almost surely, 2^135973941 is an apocalyptic number.

It is an amenable number.

135973941 is a deficient number, since it is larger than the sum of its proper divisors (48297003).

135973941 is an equidigital number, since it uses as much as digits as its factorization.

135973941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743091.

The product of its digits is 102060, while the sum is 42.

The square root of 135973941 is about 11660.7864657578. The cubic root of 135973941 is about 514.2234704321.

The spelling of 135973941 in words is "one hundred thirty-five million, nine hundred seventy-three thousand, nine hundred forty-one".