918729142 has 8 divisors (see below), whose sum is σ = 1410142536. Its totient is φ = 448681632.

The previous prime is 918729109. The next prime is 918729169. The reversal of 918729142 is 241927819.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 5341363 + ... + 5341534.

It is an arithmetic number, because the mean of its divisors is an integer number (176267817).

Almost surely, 2^918729142 is an apocalyptic number.

918729142 is a deficient number, since it is larger than the sum of its proper divisors (491413394).

918729142 is a wasteful number, since it uses less digits than its factorization.

918729142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10682942.

The product of its digits is 72576, while the sum is 43.

The square root of 918729142 is about 30310.5450627335. The cubic root of 918729142 is about 972.1407856894.

The spelling of 918729142 in words is "nine hundred eighteen million, seven hundred twenty-nine thousand, one hundred forty-two".