1001429139 has 16 divisors (see below), whose sum is σ = 1349816832. Its totient is φ = 660346368.

The previous prime is 1001429123. The next prime is 1001429147. The reversal of 1001429139 is 9319241001.

1001429139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001429139 - 2⁴ = 1001429123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001429119) 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, 374722 + ... + 377384.

It is an arithmetic number, because the mean of its divisors is an integer number (84363552).

Almost surely, 2^1001429139 is an apocalyptic number.

1001429139 is a deficient number, since it is larger than the sum of its proper divisors (348387693).

1001429139 is a wasteful number, since it uses less digits than its factorization.

1001429139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1001429139 is about 31645.3652056664. The cubic root of 1001429139 is about 1000.4761529091.

The spelling of 1001429139 in words is "one billion, one million, four hundred twenty-nine thousand, one hundred thirty-nine".