140640011356 has 48 divisors (see below), whose sum is σ = 281602772640. Its totient is φ = 60978597120.

The previous prime is 140640011311. The next prime is 140640011357. The reversal of 140640011356 is 653110046041.

It is a super-2 number, since 2×140640011356² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140640011357) 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 in 15 ways as a sum of consecutive naturals, for example, 1204510 + ... + 1316101.

It is an arithmetic number, because the mean of its divisors is an integer number (5866724430).

Almost surely, 2^140640011356 is an apocalyptic number.

It is an amenable number.

140640011356 is an abundant number, since it is smaller than the sum of its proper divisors (140962761284).

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

140640011356 is a wasteful number, since it uses less digits than its factorization.

140640011356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520694 (or 2520692 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 140640011356 its reverse (653110046041), we get a palindrome (793750057397).

The spelling of 140640011356 in words is "one hundred forty billion, six hundred forty million, eleven thousand, three hundred fifty-six".