1432139 has 2 divisors, whose sum is σ = 1432140. Its totient is φ = 1432138.

The previous prime is 1432129. The next prime is 1432147. The reversal of 1432139 is 9312341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1432139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1432129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716069 + 716070.

It is an arithmetic number, because the mean of its divisors is an integer number (716070).

2^1432139 is an apocalyptic number.

1432139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432139 is an equidigital number, since it uses as much as digits as its factorization.

1432139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 1432139 is about 1196.7201009426. The cubic root of 1432139 is about 112.7184627374.

The spelling of 1432139 in words is "one million, four hundred thirty-two thousand, one hundred thirty-nine".