1014138442 has 4 divisors (see below), whose sum is σ = 1521207666. Its totient is φ = 507069220.

The previous prime is 1014138421. The next prime is 1014138443. The reversal of 1014138442 is 2448314101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2448314101 = 223 ⋅10978987.

It can be written as a sum of positive squares in only one way, i.e., 914518081 + 99620361 = 30241^2 + 9981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1014138442.

It is not an unprimeable number, because it can be changed into a prime (1014138443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253534609 + ... + 253534612.

Almost surely, 2^1014138442 is an apocalyptic number.

1014138442 is a deficient number, since it is larger than the sum of its proper divisors (507069224).

1014138442 is an equidigital number, since it uses as much as digits as its factorization.

1014138442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507069223.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1014138442 is about 31845.5403785208. The cubic root of 1014138442 is about 1004.6907762142.

The spelling of 1014138442 in words is "one billion, fourteen million, one hundred thirty-eight thousand, four hundred forty-two".