1434435139 has 4 divisors (see below), whose sum is σ = 1434546360. Its totient is φ = 1434323920.

The previous prime is 1434435137. The next prime is 1434435173. The reversal of 1434435139 is 9315344341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9315344341 = 601 ⋅15499741.

It is a cyclic number.

It is not a de Polignac number, because 1434435139 - 2¹ = 1434435137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1434435098 and 1434435107.

It is not an unprimeable number, because it can be changed into a prime (1434435137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33274 + ... + 63055.

It is an arithmetic number, because the mean of its divisors is an integer number (358636590).

Almost surely, 2^1434435139 is an apocalyptic number.

1434435139 is a deficient number, since it is larger than the sum of its proper divisors (111221).

1434435139 is an equidigital number, since it uses as much as digits as its factorization.

1434435139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111220.

The product of its digits is 77760, while the sum is 37.

The square root of 1434435139 is about 37873.9374636438. The cubic root of 1434435139 is about 1127.7867082736.

It can be divided in two parts, 1434 and 435139, that multiplied together give a palindrome (623989326).

The spelling of 1434435139 in words is "one billion, four hundred thirty-four million, four hundred thirty-five thousand, one hundred thirty-nine".