1214738158 has 8 divisors (see below), whose sum is σ = 1826336160. Its totient is φ = 605959440.

The previous prime is 1214738143. The next prime is 1214738159. The reversal of 1214738158 is 8518374121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1214738158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214738159) 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, 703743 + ... + 705466.

It is an arithmetic number, because the mean of its divisors is an integer number (228292020).

Almost surely, 2^1214738158 is an apocalyptic number.

1214738158 is a deficient number, since it is larger than the sum of its proper divisors (611598002).

1214738158 is a wasteful number, since it uses less digits than its factorization.

1214738158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409642.

The product of its digits is 53760, while the sum is 40.

The square root of 1214738158 is about 34853.0939516135. The cubic root of 1214738158 is about 1066.9913320080.

It can be divided in two parts, 12147 and 38158, that added together give a palindrome (50305).

The spelling of 1214738158 in words is "one billion, two hundred fourteen million, seven hundred thirty-eight thousand, one hundred fifty-eight".