1139726970 has 256 divisors, whose sum is σ = 3400704000. Its totient is φ = 270418176.

The previous prime is 1139726957. The next prime is 1139726983. The reversal of 1139726970 is 796279311.

It is an interprime number because it is at equal distance from previous prime (1139726957) and next prime (1139726983).

It is a super-2 number, since 2×1139726970² = 2597955132290761800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 6992109 + ... + 6992271.

It is an arithmetic number, because the mean of its divisors is an integer number (13284000).

Almost surely, 2^1139726970 is an apocalyptic number.

1139726970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139726970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700352000).

1139726970 is an abundant number, since it is smaller than the sum of its proper divisors (2260977030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139726970 is a wasteful number, since it uses less digits than its factorization.

1139726970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1139726970 is about 33759.8425647988. The cubic root of 1139726970 is about 1044.5605227567.

The spelling of 1139726970 in words is "one billion, one hundred thirty-nine million, seven hundred twenty-six thousand, nine hundred seventy".