1429891142 has 4 divisors (see below), whose sum is σ = 2144836716. Its totient is φ = 714945570.

The previous prime is 1429891123. The next prime is 1429891147. The reversal of 1429891142 is 2411989241.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1429891142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429891147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357472784 + ... + 357472787.

It is an arithmetic number, because the mean of its divisors is an integer number (536209179).

Almost surely, 2^1429891142 is an apocalyptic number.

1429891142 is a deficient number, since it is larger than the sum of its proper divisors (714945574).

1429891142 is an equidigital number, since it uses as much as digits as its factorization.

1429891142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714945573.

The product of its digits is 41472, while the sum is 41.

The square root of 1429891142 is about 37813.9014384922. The cubic root of 1429891142 is about 1126.5945827431.

The spelling of 1429891142 in words is "one billion, four hundred twenty-nine million, eight hundred ninety-one thousand, one hundred forty-two".