135031958 has 4 divisors (see below), whose sum is σ = 202547940. Its totient is φ = 67515978.

The previous prime is 135031937. The next prime is 135031991. The reversal of 135031958 is 859130531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33757988 + ... + 33757991.

It is an arithmetic number, because the mean of its divisors is an integer number (50636985).

Almost surely, 2^135031958 is an apocalyptic number.

135031958 is a deficient number, since it is larger than the sum of its proper divisors (67515982).

135031958 is an equidigital number, since it uses as much as digits as its factorization.

135031958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67515981.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 135031958 is about 11620.3252105954. The cubic root of 135031958 is about 513.0332603732.

The spelling of 135031958 in words is "one hundred thirty-five million, thirty-one thousand, nine hundred fifty-eight".