7136381 has 8 divisors (see below), whose sum is σ = 8585280. Its totient is φ = 5794848.

The previous prime is 7136377. The next prime is 7136383. The reversal of 7136381 is 1836317.

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

It is not a de Polignac number, because 7136381 - 2² = 7136377 is a prime.

It is a super-2 number, since 2×7136381² = 101855867554322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7136383) 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, 26696 + ... + 26961.

It is an arithmetic number, because the mean of its divisors is an integer number (1073160).

Almost surely, 2^7136381 is an apocalyptic number.

It is an amenable number.

7136381 is a deficient number, since it is larger than the sum of its proper divisors (1448899).

7136381 is a wasteful number, since it uses less digits than its factorization.

7136381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53683.

The product of its digits is 3024, while the sum is 29.

The square root of 7136381 is about 2671.4005689900. The cubic root of 7136381 is about 192.5274577126.

The spelling of 7136381 in words is "seven million, one hundred thirty-six thousand, three hundred eighty-one".