1053257138 has 8 divisors (see below), whose sum is σ = 1580476188. Its totient is φ = 526431744.

The previous prime is 1053257131. The next prime is 1053257167. The reversal of 1053257138 is 8317523501.

It can be written as a sum of positive squares in 2 ways, for example, as 1018056649 + 35200489 = 31907^2 + 5933^2 .

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

It is a super-2 number, since 2×1053257138² = 2218701197495902088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053257098 and 1053257107.

It is not an unprimeable number, because it can be changed into a prime (1053257131) 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, 91631 + ... + 102482.

Almost surely, 2^1053257138 is an apocalyptic number.

1053257138 is a deficient number, since it is larger than the sum of its proper divisors (527219050).

1053257138 is a wasteful number, since it uses less digits than its factorization.

1053257138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196828.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1053257138 is about 32453.9233067437. The cubic root of 1053257138 is about 1017.4462380664.

The spelling of 1053257138 in words is "one billion, fifty-three million, two hundred fifty-seven thousand, one hundred thirty-eight".