1355405220534 has 16 divisors (see below), whose sum is σ = 2710824161472. Its totient is φ = 451799453448.

The previous prime is 1355405220523. The next prime is 1355405220539. The reversal of 1355405220534 is 4350225045531.

It is a junction number, because it is equal to n+sod(n) for n = 1355405220492 and 1355405220501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355405220539) 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, 1079337 + ... + 1968699.

It is an arithmetic number, because the mean of its divisors is an integer number (169426510092).

Almost surely, 2^{1355405220534} is an apocalyptic number.

1355405220534 is an abundant number, since it is smaller than the sum of its proper divisors (1355418940938).

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

1355405220534 is a wasteful number, since it uses less digits than its factorization.

1355405220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143371.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 1355405220534 in words is "one trillion, three hundred fifty-five billion, four hundred five million, two hundred twenty thousand, five hundred thirty-four".