2139510 has 16 divisors (see below), whose sum is σ = 5134896. Its totient is φ = 570528.

The previous prime is 2139499. The next prime is 2139521. The reversal of 2139510 is 159312.

It is an interprime number because it is at equal distance from previous prime (2139499) and next prime (2139521).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35629 + ... + 35688.

It is an arithmetic number, because the mean of its divisors is an integer number (320931).

2^2139510 is an apocalyptic number.

2139510 is an abundant number, since it is smaller than the sum of its proper divisors (2995386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2139510 is a wasteful number, since it uses less digits than its factorization.

2139510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71327.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2139510 is about 1462.7063956926. The cubic root of 2139510 is about 128.8560379460.

The spelling of 2139510 in words is "two million, one hundred thirty-nine thousand, five hundred ten".