7133381 has 8 divisors (see below), whose sum is σ = 7473984. Its totient is φ = 6795360.

The previous prime is 7133363. The next prime is 7133393. The reversal of 7133381 is 1833317.

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

It is a cyclic number.

It is not a de Polignac number, because 7133381 - 2¹⁴ = 7116997 is a prime.

It is a super-2 number, since 2×7133381² = 101770248982322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7133381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7133281) 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, 7145 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (934248).

Almost surely, 2^7133381 is an apocalyptic number.

It is an amenable number.

7133381 is a deficient number, since it is larger than the sum of its proper divisors (340603).

7133381 is a wasteful number, since it uses less digits than its factorization.

7133381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its digits is 1512, while the sum is 26.

The square root of 7133381 is about 2670.8390067542. The cubic root of 7133381 is about 192.5004756271.

Adding to 7133381 its reverse (1833317), we get a palindrome (8966698).

The spelling of 7133381 in words is "seven million, one hundred thirty-three thousand, three hundred eighty-one".