135970044 has 48 divisors (see below), whose sum is σ = 364508928. Its totient is φ = 38642688.

The previous prime is 135970039. The next prime is 135970073. The reversal of 135970044 is 440079531.

It is a junction number, because it is equal to n+sod(n) for n = 135969987 and 135970014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12019 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (7593936).

Almost surely, 2^135970044 is an apocalyptic number.

135970044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135970044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182254464).

135970044 is an abundant number, since it is smaller than the sum of its proper divisors (228538884).

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

135970044 is a wasteful number, since it uses less digits than its factorization.

135970044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 135970044 is about 11660.6193660543. The cubic root of 135970044 is about 514.2185578535.

The spelling of 135970044 in words is "one hundred thirty-five million, nine hundred seventy thousand, forty-four".