7138342 has 8 divisors (see below), whose sum is σ = 10883232. Its totient is φ = 3510600.

The previous prime is 7138337. The next prime is 7138343. The reversal of 7138342 is 2438317.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7138342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138343) 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, 29134 + ... + 29377.

It is an arithmetic number, because the mean of its divisors is an integer number (1360404).

Almost surely, 2^7138342 is an apocalyptic number.

7138342 is a deficient number, since it is larger than the sum of its proper divisors (3744890).

7138342 is a wasteful number, since it uses less digits than its factorization.

7138342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58574.

The product of its digits is 4032, while the sum is 28.

The square root of 7138342 is about 2671.7675797120. The cubic root of 7138342 is about 192.5450909158.

The spelling of 7138342 in words is "seven million, one hundred thirty-eight thousand, three hundred forty-two".