2067139087 has 12 divisors (see below), whose sum is σ = 2240766696. Its totient is φ = 1895680800.

The previous prime is 2067139079. The next prime is 2067139091. The reversal of 2067139087 is 7809317602.

It is a happy number.

It is not a de Polignac number, because 2067139087 - 2³ = 2067139079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067139027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317212 + ... + 323662.

It is an arithmetic number, because the mean of its divisors is an integer number (186730558).

Almost surely, 2^2067139087 is an apocalyptic number.

2067139087 is a deficient number, since it is larger than the sum of its proper divisors (173627609).

2067139087 is an equidigital number, since it uses as much as digits as its factorization.

2067139087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778 (or 6621 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 2067139087 is about 45465.8012906404. The cubic root of 2067139087 is about 1273.8644944997.

The spelling of 2067139087 in words is "two billion, sixty-seven million, one hundred thirty-nine thousand, eighty-seven".