1057488136 has 8 divisors (see below), whose sum is σ = 1982790270. Its totient is φ = 528744064.

The previous prime is 1057488127. The next prime is 1057488137. The reversal of 1057488136 is 6318847501.

It can be written as a sum of positive squares in only one way, i.e., 599956036 + 457532100 = 24494^2 + 21390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1057488136² = 2236562315561508992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057488092 and 1057488101.

It is not an unprimeable number, because it can be changed into a prime (1057488137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66093001 + ... + 66093016.

Almost surely, 2^1057488136 is an apocalyptic number.

It is an amenable number.

1057488136 is a deficient number, since it is larger than the sum of its proper divisors (925302134).

1057488136 is a wasteful number, since it uses less digits than its factorization.

1057488136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132186023 (or 132186019 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1057488136 is about 32519.0426673357. The cubic root of 1057488136 is about 1018.8067990162.

The spelling of 1057488136 in words is "one billion, fifty-seven million, four hundred eighty-eight thousand, one hundred thirty-six".