614139 has 8 divisors (see below), whose sum is σ = 838992. Its totient is φ = 399360.

The previous prime is 614129. The next prime is 614143. The reversal of 614139 is 931416.

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

It is not a de Polignac number, because 614139 - 2⁸ = 613883 is a prime.

It is a super-2 number, since 2×614139² = 754333422642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (614129) 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, 2374 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (104874).

614139 is a Friedman number, since it can be written as 14+(91-6)^3, using all its digits and the basic arithmetic operations.

2⁶¹⁴¹³⁹ is an apocalyptic number.

614139 is a deficient number, since it is larger than the sum of its proper divisors (224853).

614139 is a wasteful number, since it uses less digits than its factorization.

614139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037.

The product of its digits is 648, while the sum is 24.

The square root of 614139 is about 783.6702112496. The cubic root of 614139 is about 85.0006459005. Note that the first 3 decimals are identical.

The spelling of 614139 in words is "six hundred fourteen thousand, one hundred thirty-nine".