7438131 has 12 divisors (see below), whose sum is σ = 11211408. Its totient is φ = 4743024.

The previous prime is 7438127. The next prime is 7438153. The reversal of 7438131 is 1318347.

It is not a de Polignac number, because 7438131 - 2² = 7438127 is a prime.

It is a super-2 number, since 2×7438131² = 110651585546322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7438095 and 7438104.

It is not an unprimeable number, because it can be changed into a prime (7438331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17760 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (934284).

Almost surely, 2^7438131 is an apocalyptic number.

7438131 is a deficient number, since it is larger than the sum of its proper divisors (3773277).

7438131 is a wasteful number, since it uses less digits than its factorization.

7438131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35962 (or 35959 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7438131 is about 2727.2937135556. The cubic root of 7438131 is about 195.2036531135.

It can be divided in two parts, 7438 and 131, that added together give a square (7569 = 87²).

The spelling of 7438131 in words is "seven million, four hundred thirty-eight thousand, one hundred thirty-one".