135070578 has 28 divisors (see below), whose sum is σ = 303773118. Its totient is φ = 45023040.

The previous prime is 135070571. The next prime is 135070597. The reversal of 135070578 is 875070531.

135070578 is a `hidden beast` number, since 13 + 5 + 0 + 70 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74183769 + 60886809 = 8613^2 + 7803^2 .

It is a super-2 number, since 2×135070578² = 36488122082508168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135070571) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 44863 + ... + 47778.

Almost surely, 2^135070578 is an apocalyptic number.

135070578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135070578 is an abundant number, since it is smaller than the sum of its proper divisors (168702540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135070578 is an frugal number, since it uses more digits than its factorization.

135070578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92661 (or 92646 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 135070578 is about 11621.9868353049. The cubic root of 135070578 is about 513.0821659710.

The spelling of 135070578 in words is "one hundred thirty-five million, seventy thousand, five hundred seventy-eight".