135937771 has 8 divisors (see below), whose sum is σ = 139138560. Its totient is φ = 132749928.

The previous prime is 135937733. The next prime is 135937793. The reversal of 135937771 is 177739531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135937771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135937721) 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, 19920 + ... + 25858.

It is an arithmetic number, because the mean of its divisors is an integer number (17392320).

Almost surely, 2^135937771 is an apocalyptic number.

135937771 is a deficient number, since it is larger than the sum of its proper divisors (3200789).

135937771 is an equidigital number, since it uses as much as digits as its factorization.

135937771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473.

The product of its digits is 138915, while the sum is 43.

The square root of 135937771 is about 11659.2354380551. The cubic root of 135937771 is about 514.1778707331.

The spelling of 135937771 in words is "one hundred thirty-five million, nine hundred thirty-seven thousand, seven hundred seventy-one".