1534155013 has 24 divisors (see below), whose sum is σ = 1664548200. Its totient is φ = 1411248384.

The previous prime is 1534155011. The next prime is 1534155067. The reversal of 1534155013 is 3105514351.

It can be written as a sum of positive squares in 12 ways, for example, as 90307009 + 1443848004 = 9503^2 + 37998^2 .

It is not a de Polignac number, because 1534155013 - 2¹ = 1534155011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534155011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3013803 + ... + 3014311.

It is an arithmetic number, because the mean of its divisors is an integer number (69356175).

Almost surely, 2^1534155013 is an apocalyptic number.

It is an amenable number.

1534155013 is a deficient number, since it is larger than the sum of its proper divisors (130393187).

1534155013 is an equidigital number, since it uses as much as digits as its factorization.

1534155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1534155013 is about 39168.2909124205. The cubic root of 1534155013 is about 1153.3375038459.

Adding to 1534155013 its reverse (3105514351), we get a palindrome (4639669364).

The spelling of 1534155013 in words is "one billion, five hundred thirty-four million, one hundred fifty-five thousand, thirteen".