1000136253 has 8 divisors (see below), whose sum is σ = 1379498400. Its totient is φ = 643765808.

The previous prime is 1000136243. The next prime is 1000136257. The reversal of 1000136253 is 3526310001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000136253 - 2⁴ = 1000136237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000136257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747823 + ... + 5747996.

It is an arithmetic number, because the mean of its divisors is an integer number (172437300).

Almost surely, 2^1000136253 is an apocalyptic number.

It is an amenable number.

1000136253 is a deficient number, since it is larger than the sum of its proper divisors (379362147).

1000136253 is a wasteful number, since it uses less digits than its factorization.

1000136253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495851.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1000136253 is about 31624.9308773948. The cubic root of 1000136253 is about 1000.0454156041.

Adding to 1000136253 its reverse (3526310001), we get a palindrome (4526446254).

The spelling of 1000136253 in words is "one billion, one hundred thirty-six thousand, two hundred fifty-three".