6139902 has 8 divisors (see below), whose sum is σ = 12279816. Its totient is φ = 2046632.

The previous prime is 6139901. The next prime is 6139921. The reversal of 6139902 is 2099316.

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

6139902 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6139902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511653 + ... + 511664.

It is an arithmetic number, because the mean of its divisors is an integer number (1534977).

Almost surely, 2^6139902 is an apocalyptic number.

6139902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6139902 is a wasteful number, since it uses less digits than its factorization.

6139902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023322.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 6139902 is about 2477.8825638032. The cubic root of 6139902 is about 183.1135489273.

The spelling of 6139902 in words is "six million, one hundred thirty-nine thousand, nine hundred two".