1345140434434 has 16 divisors (see below), whose sum is σ = 2047982273568. Its totient is φ = 662481211392.

The previous prime is 1345140434359. The next prime is 1345140434437. The reversal of 1345140434434 is 4344340415431.

It is not an unprimeable number, because it can be changed into a prime (1345140434437) 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, 1406929 + ... + 2160955.

It is an arithmetic number, because the mean of its divisors is an integer number (127998892098).

Almost surely, 2^{1345140434434} is an apocalyptic number.

1345140434434 is a deficient number, since it is larger than the sum of its proper divisors (702841839134).

1345140434434 is a wasteful number, since it uses less digits than its factorization.

1345140434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767409.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 1345140434434 its reverse (4344340415431), we get a palindrome (5689480849865).

The spelling of 1345140434434 in words is "one trillion, three hundred forty-five billion, one hundred forty million, four hundred thirty-four thousand, four hundred thirty-four".