1405340534 has 16 divisors (see below), whose sum is σ = 2322961872. Its totient is φ = 633534048.

The previous prime is 1405340483. The next prime is 1405340543. The reversal of 1405340534 is 4350435041.

It is a junction number, because it is equal to n+sod(n) for n = 1405340497 and 1405340506.

It is a congruent number.

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, 627389 + ... + 629624.

It is an arithmetic number, because the mean of its divisors is an integer number (145185117).

Almost surely, 2^1405340534 is an apocalyptic number.

1405340534 is a deficient number, since it is larger than the sum of its proper divisors (917621338).

1405340534 is a wasteful number, since it uses less digits than its factorization.

1405340534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257071.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1405340534 is about 37487.8718254318. The cubic root of 1405340534 is about 1120.1096124651.

Adding to 1405340534 its reverse (4350435041), we get a palindrome (5755775575).

The spelling of 1405340534 in words is "one billion, four hundred five million, three hundred forty thousand, five hundred thirty-four".