7142136 has 16 divisors (see below), whose sum is σ = 17855400. Its totient is φ = 2380704.

The previous prime is 7142129. The next prime is 7142141. The reversal of 7142136 is 6312417.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 297589 = 7142136 / (7 + 1 + 4 + 2 + 1 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148771 + ... + 148818.

Almost surely, 2^7142136 is an apocalyptic number.

It is an amenable number.

7142136 is an abundant number, since it is smaller than the sum of its proper divisors (10713264).

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

7142136 is a wasteful number, since it uses less digits than its factorization.

7142136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297598 (or 297594 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 7142136 is about 2672.4775022439. The cubic root of 7142136 is about 192.5791971873.

It can be divided in two parts, 714 and 2136, that added together give a triangular number (2850 = T₇₅).

The spelling of 7142136 in words is "seven million, one hundred forty-two thousand, one hundred thirty-six".