1013713634 has 4 divisors (see below), whose sum is σ = 1520570454. Its totient is φ = 506856816.

The previous prime is 1013713607. The next prime is 1013713639. The reversal of 1013713634 is 4363173101.

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

It can be written as a sum of positive squares in only one way, i.e., 748186609 + 265527025 = 27353^2 + 16295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1013713597 and 1013713606.

It is not an unprimeable number, because it can be changed into a prime (1013713639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253428407 + ... + 253428410.

Almost surely, 2^1013713634 is an apocalyptic number.

1013713634 is a deficient number, since it is larger than the sum of its proper divisors (506856820).

1013713634 is an equidigital number, since it uses as much as digits as its factorization.

1013713634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506856819.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1013713634 is about 31838.8698605965. The cubic root of 1013713634 is about 1004.5504731191.

Adding to 1013713634 its reverse (4363173101), we get a palindrome (5376886735).

The spelling of 1013713634 in words is "one billion, thirteen million, seven hundred thirteen thousand, six hundred thirty-four".