1001355137 has 4 divisors (see below), whose sum is σ = 1006438356. Its totient is φ = 996271920.

The previous prime is 1001355083. The next prime is 1001355197. The reversal of 1001355137 is 7315531001.

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 845704561 + 155650576 = 29081^2 + 12476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001355137 - 2⁶ = 1001355073 is a prime.

It is a super-2 number, since 2×1001355137² = 2005424220792577538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001355197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541314 + ... + 2541707.

It is an arithmetic number, because the mean of its divisors is an integer number (251609589).

Almost surely, 2^1001355137 is an apocalyptic number.

It is an amenable number.

1001355137 is a deficient number, since it is larger than the sum of its proper divisors (5083219).

1001355137 is an equidigital number, since it uses as much as digits as its factorization.

1001355137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083218.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 1001355137 is about 31644.1959449122. The cubic root of 1001355137 is about 1000.4515084428.

Adding to 1001355137 its reverse (7315531001), we get a palindrome (8316886138).

The spelling of 1001355137 in words is "one billion, one million, three hundred fifty-five thousand, one hundred thirty-seven".