35491139 has 8 divisors (see below), whose sum is σ = 37116960. Its totient is φ = 33936408.

The previous prime is 35491129. The next prime is 35491171. The reversal of 35491139 is 93119453.

It is a de Polignac number, because none of the positive numbers 2^k-35491139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35491099 and 35491108.

It is not an unprimeable number, because it can be changed into a prime (35491109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (4639620).

Almost surely, 2^35491139 is an apocalyptic number.

35491139 is a deficient number, since it is larger than the sum of its proper divisors (1625821).

35491139 is an frugal number, since it uses more digits than its factorization.

35491139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2940 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 35491139 is about 5957.4439988975. The cubic root of 35491139 is about 328.6295754235.

The spelling of 35491139 in words is "thirty-five million, four hundred ninety-one thousand, one hundred thirty-nine".