1434139 has 16 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 1131840.

The previous prime is 1434133. The next prime is 1434143. The reversal of 1434139 is 9314341.

1434139 = T₃₇₉ + T₃₈₀ + ... + T₃₉₇.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1434139 - 2³ = 1434131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1434139 is an apocalyptic number.

1434139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1434139 is a deficient number, since it is larger than the sum of its proper divisors (339941).

1434139 is a wasteful number, since it uses less digits than its factorization.

1434139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330.

The product of its digits is 1296, while the sum is 25.

The square root of 1434139 is about 1197.5554266922. Note that the first 3 decimals coincide. The cubic root of 1434139 is about 112.7709092445.

The spelling of 1434139 in words is "one million, four hundred thirty-four thousand, one hundred thirty-nine".