1355140434 has 16 divisors (see below), whose sum is σ = 2710668672. Its totient is φ = 451648848.

The previous prime is 1355140351. The next prime is 1355140441. The reversal of 1355140434 is 4340415531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50292 + ... + 72384.

It is an arithmetic number, because the mean of its divisors is an integer number (169416792).

Almost surely, 2^1355140434 is an apocalyptic number.

1355140434 is an abundant number, since it is smaller than the sum of its proper divisors (1355528238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355140434 is a wasteful number, since it uses less digits than its factorization.

1355140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32321.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1355140434 is about 36812.2321246620. The cubic root of 1355140434 is about 1106.6104521977.

Adding to 1355140434 its reverse (4340415531), we get a palindrome (5695555965).

The spelling of 1355140434 in words is "one billion, three hundred fifty-five million, one hundred forty thousand, four hundred thirty-four".