7137126 has 16 divisors (see below), whose sum is σ = 15860400. Its totient is φ = 2379024.

The previous prime is 7137121. The next prime is 7137131. The reversal of 7137126 is 6217317.

It is an interprime number because it is at equal distance from previous prime (7137121) and next prime (7137131).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 7137126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137121) 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, 66031 + ... + 66138.

It is an arithmetic number, because the mean of its divisors is an integer number (991275).

Almost surely, 2^7137126 is an apocalyptic number.

7137126 is an abundant number, since it is smaller than the sum of its proper divisors (8723274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7137126 is a wasteful number, since it uses less digits than its factorization.

7137126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132180 (or 132174 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 7137126 is about 2671.5400053153. The cubic root of 7137126 is about 192.5341570917.

The spelling of 7137126 in words is "seven million, one hundred thirty-seven thousand, one hundred twenty-six".