2139364 has 6 divisors (see below), whose sum is σ = 3743894. Its totient is φ = 1069680.

The previous prime is 2139353. The next prime is 2139367. The reversal of 2139364 is 4639312.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 36864 = 1450^2 + 192^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3⁹ + 9 + 3¹³ + 6² + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (2139367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267417 + ... + 267424.

2^2139364 is an apocalyptic number.

It is an amenable number.

2139364 is a deficient number, since it is larger than the sum of its proper divisors (1604530).

2139364 is a wasteful number, since it uses less digits than its factorization.

2139364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534845 (or 534843 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 2139364 is about 1462.6564873544. The cubic root of 2139364 is about 128.8531068373.

The spelling of 2139364 in words is "two million, one hundred thirty-nine thousand, three hundred sixty-four".