135273970 has 32 divisors (see below), whose sum is σ = 263718000. Its totient is φ = 49662720.

The previous prime is 135273953. The next prime is 135273973. The reversal of 135273970 is 79372531.

It can be written as a sum of positive squares in 8 ways, for example, as 2954961 + 132319009 = 1719^2 + 11503^2 .

It is not an unprimeable number, because it can be changed into a prime (135273973) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 20656 + ... + 26404.

Almost surely, 2^135273970 is an apocalyptic number.

135273970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135273970 is a deficient number, since it is larger than the sum of its proper divisors (128444030).

135273970 is a wasteful number, since it uses less digits than its factorization.

135273970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 135273970 is about 11630.7338547488. The cubic root of 135273970 is about 513.3395733017.

The spelling of 135273970 in words is "one hundred thirty-five million, two hundred seventy-three thousand, nine hundred seventy".