1429991131 has 8 divisors (see below), whose sum is σ = 1480136400. Its totient is φ = 1379901600.

The previous prime is 1429991081. The next prime is 1429991149. The reversal of 1429991131 is 1311999241.

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

It is a cyclic number.

It is not a de Polignac number, because 1429991131 - 2⁹ = 1429990619 is a prime.

It is a super-2 number, since 2×1429991131² = 4089749269477318322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429991161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42160 + ... + 68098.

It is an arithmetic number, because the mean of its divisors is an integer number (185017050).

Almost surely, 2^1429991131 is an apocalyptic number.

1429991131 is a deficient number, since it is larger than the sum of its proper divisors (50145269).

1429991131 is a wasteful number, since it uses less digits than its factorization.

1429991131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27869.

The product of its digits is 17496, while the sum is 40.

The square root of 1429991131 is about 37815.2235349733. The cubic root of 1429991131 is about 1126.6208421874.

The spelling of 1429991131 in words is "one billion, four hundred twenty-nine million, nine hundred ninety-one thousand, one hundred thirty-one".