7142137 has 4 divisors (see below), whose sum is σ = 7150336. Its totient is φ = 7133940.

The previous prime is 7142129. The next prime is 7142141. The reversal of 7142137 is 7312417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7142137 - 2³ = 7142129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7142117) 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, 2613 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (1787584).

Almost surely, 2^7142137 is an apocalyptic number.

It is an amenable number.

7142137 is a deficient number, since it is larger than the sum of its proper divisors (8199).

7142137 is an equidigital number, since it uses as much as digits as its factorization.

7142137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198.

The product of its digits is 1176, while the sum is 25.

The square root of 7142137 is about 2672.4776893362. The cubic root of 7142137 is about 192.5792061752.

The spelling of 7142137 in words is "seven million, one hundred forty-two thousand, one hundred thirty-seven".