1501136730 has 24 divisors (see below), whose sum is σ = 3902955732. Its totient is φ = 400303104.

The previous prime is 1501136719. The next prime is 1501136803. The reversal of 1501136730 is 376311051.

It can be written as a sum of positive squares in 2 ways, for example, as 1462833009 + 38303721 = 38247^2 + 6189^2 .

It is a super-2 number, since 2×1501136730² = 4506822964310185800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1501136694 and 1501136703.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 8339559 + ... + 8339738.

Almost surely, 2^1501136730 is an apocalyptic number.

1501136730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1501136730 is an abundant number, since it is smaller than the sum of its proper divisors (2401819002).

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

1501136730 is a wasteful number, since it uses less digits than its factorization.

1501136730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16679310 (or 16679307 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1501136730 is about 38744.5058040492. The cubic root of 1501136730 is about 1145.0033319888.

Adding to 1501136730 its reverse (376311051), we get a palindrome (1877447781).

The spelling of 1501136730 in words is "one billion, five hundred one million, one hundred thirty-six thousand, seven hundred thirty".