135477986 has 8 divisors (see below), whose sum is σ = 232248000. Its totient is φ = 58061988.

The previous prime is 135477971. The next prime is 135477989. The reversal of 135477986 is 689774531.

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

It is not an unprimeable number, because it can be changed into a prime (135477989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4838486 + ... + 4838513.

It is an arithmetic number, because the mean of its divisors is an integer number (29031000).

Almost surely, 2^135477986 is an apocalyptic number.

135477986 is a deficient number, since it is larger than the sum of its proper divisors (96770014).

135477986 is an equidigital number, since it uses as much as digits as its factorization.

135477986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677008.

The product of its digits is 1270080, while the sum is 50.

The square root of 135477986 is about 11639.5011061471. The cubic root of 135477986 is about 513.5975112739.

The spelling of 135477986 in words is "one hundred thirty-five million, four hundred seventy-seven thousand, nine hundred eighty-six".