43135090 has 8 divisors (see below), whose sum is σ = 77643180. Its totient is φ = 17254032.

The previous prime is 43135039. The next prime is 43135109. The reversal of 43135090 is 9053134.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 1957201 = 6417^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156745 + ... + 2156764.

Almost surely, 2^43135090 is an apocalyptic number.

43135090 is a deficient number, since it is larger than the sum of its proper divisors (34508090).

43135090 is a wasteful number, since it uses less digits than its factorization.

43135090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313516.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 43135090 is about 6567.7309628212. The cubic root of 43135090 is about 350.7063016125.

The spelling of 43135090 in words is "forty-three million, one hundred thirty-five thousand, ninety".