135020070 has 48 divisors (see below), whose sum is σ = 355878432. Its totient is φ = 35510400.

The previous prime is 135020047. The next prime is 135020071. The reversal of 135020070 is 70020531.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135020071) 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 23 ways as a sum of consecutive naturals, for example, 3706 + ... + 16845.

It is an arithmetic number, because the mean of its divisors is an integer number (7414134).

Almost surely, 2^135020070 is an apocalyptic number.

135020070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135020070 is an abundant number, since it is smaller than the sum of its proper divisors (220858362).

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

135020070 is a wasteful number, since it uses less digits than its factorization.

135020070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20637 (or 20634 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 135020070 is about 11619.8136818109. The cubic root of 135020070 is about 513.0182043857.

The spelling of 135020070 in words is "one hundred thirty-five million, twenty thousand, seventy".