14156019 has 16 divisors (see below), whose sum is σ = 22206240. Its totient is φ = 8881920.

The previous prime is 14156003. The next prime is 14156033. The reversal of 14156019 is 91065141.

14156019 = T₁₂₈₂ + T₁₂₈₃ + ... + T₁₂₉₈.

It is not a de Polignac number, because 14156019 - 2⁴ = 14156003 is a prime.

It is a super-2 number, since 2×14156019² = 400785747856722, which contains 22 as substring.

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 junction number, because it is equal to n+sod(n) for n = 14155983 and 14156001.

It is not an unprimeable number, because it can be changed into a prime (14156039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14962 + ... + 15879.

It is an arithmetic number, because the mean of its divisors is an integer number (1387890).

Almost surely, 2^14156019 is an apocalyptic number.

14156019 is a deficient number, since it is larger than the sum of its proper divisors (8050221).

14156019 is a wasteful number, since it uses less digits than its factorization.

14156019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30867 (or 30861 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 14156019 is about 3762.4485378540. The cubic root of 14156019 is about 241.9062257625.

The spelling of 14156019 in words is "fourteen million, one hundred fifty-six thousand, nineteen".