2139603 has 8 divisors (see below), whose sum is σ = 3020688. Its totient is φ = 1342464.

The previous prime is 2139583. The next prime is 2139607. The reversal of 2139603 is 3069312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2139603 - 2⁶ = 2139539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20926 + ... + 21027.

It is an arithmetic number, because the mean of its divisors is an integer number (377586).

2^2139603 is an apocalyptic number.

2139603 is a deficient number, since it is larger than the sum of its proper divisors (881085).

2139603 is a wasteful number, since it uses less digits than its factorization.

2139603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41973.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2139603 is about 1462.7381857325. The cubic root of 2139603 is about 128.8579049526.

The spelling of 2139603 in words is "two million, one hundred thirty-nine thousand, six hundred three".