1356015189 has 16 divisors (see below), whose sum is σ = 1847918592. Its totient is φ = 884090928.

The previous prime is 1356015187. The next prime is 1356015197. The reversal of 1356015189 is 9815106531.

It is not a de Polignac number, because 1356015189 - 2¹ = 1356015187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356015187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231592 + ... + 237374.

It is an arithmetic number, because the mean of its divisors is an integer number (115494912).

Almost surely, 2^1356015189 is an apocalyptic number.

It is an amenable number.

1356015189 is a deficient number, since it is larger than the sum of its proper divisors (491903403).

1356015189 is a wasteful number, since it uses less digits than its factorization.

1356015189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 1356015189 is about 36824.1115167766. Note that the first 3 decimals coincide. The cubic root of 1356015189 is about 1106.8485098901.

The spelling of 1356015189 in words is "one billion, three hundred fifty-six million, fifteen thousand, one hundred eighty-nine".