2139002 has 4 divisors (see below), whose sum is σ = 3208506. Its totient is φ = 1069500.

The previous prime is 2138999. The next prime is 2139013. The reversal of 2139002 is 2009312.

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

It can be written as a sum of positive squares in only one way, i.e., 1661521 + 477481 = 1289^2 + 691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534749 + ... + 534752.

2^2139002 is an apocalyptic number.

2139002 is a deficient number, since it is larger than the sum of its proper divisors (1069504).

2139002 is a wasteful number, since it uses less digits than its factorization.

2139002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069503.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2139002 is about 1462.5327346764. The cubic root of 2139002 is about 128.8458387184.

The spelling of 2139002 in words is "two million, one hundred thirty-nine thousand, two".