1013133526 has 4 divisors (see below), whose sum is σ = 1519700292. Its totient is φ = 506566762.

The previous prime is 1013133503. The next prime is 1013133529. The reversal of 1013133526 is 6253313101.

1013133526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1013133526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013133529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253283380 + ... + 253283383.

It is an arithmetic number, because the mean of its divisors is an integer number (379925073).

Almost surely, 2^1013133526 is an apocalyptic number.

1013133526 is a deficient number, since it is larger than the sum of its proper divisors (506566766).

1013133526 is an equidigital number, since it uses as much as digits as its factorization.

1013133526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506566765.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1013133526 is about 31829.7584973559. The cubic root of 1013133526 is about 1004.3588151259.

Adding to 1013133526 its reverse (6253313101), we get a palindrome (7266446627).

The spelling of 1013133526 in words is "one billion, thirteen million, one hundred thirty-three thousand, five hundred twenty-six".