1270131536 has 10 divisors (see below), whose sum is σ = 2460879882. Its totient is φ = 635065760.

The previous prime is 1270131509. The next prime is 1270131539. The reversal of 1270131536 is 6351310721.

It can be written as a sum of positive squares in only one way, i.e., 1254576400 + 15555136 = 35420^2 + 3944^2 .

It is a super-2 number, since 2×1270131536² = 3226468237483438592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270131499 and 1270131508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270131539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39691595 + ... + 39691626.

Almost surely, 2^1270131536 is an apocalyptic number.

1270131536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1270131536 is a deficient number, since it is larger than the sum of its proper divisors (1190748346).

1270131536 is an equidigital number, since it uses as much as digits as its factorization.

1270131536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79383229 (or 79383223 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1270131536 is about 35638.9048092110. The cubic root of 1270131536 is about 1082.9695185652.

The spelling of 1270131536 in words is "one billion, two hundred seventy million, one hundred thirty-one thousand, five hundred thirty-six".