1429191438 has 32 divisors (see below), whose sum is σ = 3011178240. Its totient is φ = 450970560.

The previous prime is 1429191431. The next prime is 1429191443. The reversal of 1429191438 is 8341919241.

It is a self number, because there is not a number n which added to its sum of digits gives 1429191438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429191431) 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, 168106 + ... + 176402.

It is an arithmetic number, because the mean of its divisors is an integer number (94099320).

Almost surely, 2^1429191438 is an apocalyptic number.

1429191438 is an abundant number, since it is smaller than the sum of its proper divisors (1581986802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429191438 is a wasteful number, since it uses less digits than its factorization.

1429191438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832.

The product of its digits is 62208, while the sum is 42.

The square root of 1429191438 is about 37804.6483649828. The cubic root of 1429191438 is about 1126.4107898824.

The spelling of 1429191438 in words is "one billion, four hundred twenty-nine million, one hundred ninety-one thousand, four hundred thirty-eight".