2035139987 has 4 divisors (see below), whose sum is σ = 2100789696. Its totient is φ = 1969490280.

The previous prime is 2035139983. The next prime is 2035139999. The reversal of 2035139987 is 7899315302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2035139987 - 2² = 2035139983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2035139983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32824808 + ... + 32824869.

It is an arithmetic number, because the mean of its divisors is an integer number (525197424).

Almost surely, 2^2035139987 is an apocalyptic number.

2035139987 is a deficient number, since it is larger than the sum of its proper divisors (65649709).

2035139987 is an equidigital number, since it uses as much as digits as its factorization.

2035139987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65649708.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2035139987 is about 45112.5258326332. The cubic root of 2035139987 is about 1267.2571857918.

The spelling of 2035139987 in words is "two billion, thirty-five million, one hundred thirty-nine thousand, nine hundred eighty-seven".