2140690587 has 12 divisors (see below), whose sum is σ = 3320255016. Its totient is φ = 1223251680.

The previous prime is 2140690577. The next prime is 2140690597. The reversal of 2140690587 is 7850960412.

It is an interprime number because it is at equal distance from previous prime (2140690577) and next prime (2140690597).

It is not a de Polignac number, because 2140690587 - 2¹² = 2140686491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140690577) 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, 7281114 + ... + 7281407.

It is an arithmetic number, because the mean of its divisors is an integer number (276687918).

Almost surely, 2^2140690587 is an apocalyptic number.

2140690587 is a deficient number, since it is larger than the sum of its proper divisors (1179564429).

2140690587 is a wasteful number, since it uses less digits than its factorization.

2140690587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14562538 (or 14562531 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2140690587 is about 46267.5975926998. The cubic root of 2140690587 is about 1288.7973461658.

The spelling of 2140690587 in words is "two billion, one hundred forty million, six hundred ninety thousand, five hundred eighty-seven".