140115536 has 80 divisors (see below), whose sum is σ = 311456256. Its totient is φ = 60480000.

The previous prime is 140115529. The next prime is 140115551. The reversal of 140115536 is 635511041.

140115536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×140115536³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332606 + ... + 333026.

Almost surely, 2^140115536 is an apocalyptic number.

140115536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140115536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155728128).

140115536 is an abundant number, since it is smaller than the sum of its proper divisors (171340720).

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

140115536 is a wasteful number, since it uses less digits than its factorization.

140115536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 140115536 is about 11837.0408464278. The cubic root of 140115536 is about 519.3922090053.

Adding to 140115536 its reverse (635511041), we get a palindrome (775626577).

The spelling of 140115536 in words is "one hundred forty million, one hundred fifteen thousand, five hundred thirty-six".