135400958 has 16 divisors (see below), whose sum is σ = 253217664. Its totient is φ = 52753560.

The previous prime is 135400957. The next prime is 135400961. The reversal of 135400958 is 859004531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135400957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439460 + ... + 439767.

It is an arithmetic number, because the mean of its divisors is an integer number (15826104).

Almost surely, 2^135400958 is an apocalyptic number.

135400958 is a deficient number, since it is larger than the sum of its proper divisors (117816706).

135400958 is a wasteful number, since it uses less digits than its factorization.

135400958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879247.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 135400958 is about 11636.1917309745. The cubic root of 135400958 is about 513.5001550161.

The spelling of 135400958 in words is "one hundred thirty-five million, four hundred thousand, nine hundred fifty-eight".