1013640532 has 48 divisors (see below), whose sum is σ = 1840345920. Its totient is φ = 488298752.

The previous prime is 1013640497. The next prime is 1013640539. The reversal of 1013640532 is 2350463101.

It is a super-2 number, since 2×1013640532² = 2054934256226486048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013640497 and 1013640506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013640539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3459378 + ... + 3459670.

It is an arithmetic number, because the mean of its divisors is an integer number (38340540).

Almost surely, 2^1013640532 is an apocalyptic number.

It is an amenable number.

1013640532 is a deficient number, since it is larger than the sum of its proper divisors (826705388).

1013640532 is a wasteful number, since it uses less digits than its factorization.

1013640532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1013640532 is about 31837.7218406091. The cubic root of 1013640532 is about 1004.5263254666.

The spelling of 1013640532 in words is "one billion, thirteen million, six hundred forty thousand, five hundred thirty-two".