35487139 has 2 divisors, whose sum is σ = 35487140. Its totient is φ = 35487138.

The previous prime is 35487131. The next prime is 35487173. The reversal of 35487139 is 93178453.

It is a weak prime.

It is an emirp because it is prime and its reverse (93178453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35487139 - 2³ = 35487131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35487131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17743569 + 17743570.

It is an arithmetic number, because the mean of its divisors is an integer number (17743570).

Almost surely, 2^35487139 is an apocalyptic number.

35487139 is a deficient number, since it is larger than the sum of its proper divisors (1).

35487139 is an equidigital number, since it uses as much as digits as its factorization.

35487139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 35487139 is about 5957.1082749938. The cubic root of 35487139 is about 328.6172289832.

The spelling of 35487139 in words is "thirty-five million, four hundred eighty-seven thousand, one hundred thirty-nine".