5402138 has 16 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 2286816.

The previous prime is 5402129. The next prime is 5402147. The reversal of 5402138 is 8312045.

It is an interprime number because it is at equal distance from previous prime (5402129) and next prime (5402147).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^5402138 is an apocalyptic number.

5402138 is a deficient number, since it is larger than the sum of its proper divisors (3972262).

5402138 is a wasteful number, since it uses less digits than its factorization.

5402138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5402138 is about 2324.2499865548. The cubic root of 5402138 is about 175.4642151263.

The spelling of 5402138 in words is "five million, four hundred two thousand, one hundred thirty-eight".