1013690137 has 4 divisors (see below), whose sum is σ = 1032816420. Its totient is φ = 994563856.

The previous prime is 1013690129. The next prime is 1013690141. The reversal of 1013690137 is 7310963101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 545876496 + 467813641 = 23364^2 + 21629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013690137 - 2³ = 1013690129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013690099 and 1013690108.

It is not an unprimeable number, because it can be changed into a prime (1013690177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563062 + ... + 9563167.

It is an arithmetic number, because the mean of its divisors is an integer number (258204105).

Almost surely, 2^1013690137 is an apocalyptic number.

It is an amenable number.

1013690137 is a deficient number, since it is larger than the sum of its proper divisors (19126283).

1013690137 is an equidigital number, since it uses as much as digits as its factorization.

1013690137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19126282.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1013690137 is about 31838.5008598081. The cubic root of 1013690137 is about 1004.5427115239.

The spelling of 1013690137 in words is "one billion, thirteen million, six hundred ninety thousand, one hundred thirty-seven".