35140409 has 4 divisors (see below), whose sum is σ = 35287680. Its totient is φ = 34993140.

The previous prime is 35140387. The next prime is 35140423. The reversal of 35140409 is 90404153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35140409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35140439) 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 3 ways as a sum of consecutive naturals, for example, 73277 + ... + 73754.

It is an arithmetic number, because the mean of its divisors is an integer number (8821920).

Almost surely, 2^35140409 is an apocalyptic number.

It is an amenable number.

35140409 is a deficient number, since it is larger than the sum of its proper divisors (147271).

35140409 is a wasteful number, since it uses less digits than its factorization.

35140409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147270.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 35140409 is about 5927.9346318933. The cubic root of 35140409 is about 327.5434637263.

The spelling of 35140409 in words is "thirty-five million, one hundred forty thousand, four hundred nine".