140121533155131 has 40 divisors (see below), whose sum is σ = 230480278991424. Its totient is φ = 84128476376880.

The previous prime is 140121533155129. The next prime is 140121533155171. The reversal of 140121533155131 is 131551335121041.

140121533155131 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 21 + 53 + 3 + 1 + 551 + 31 = 666.

It is not a de Polignac number, because 140121533155131 - 2¹ = 140121533155129 is a prime.

It is a super-2 number, since 2×140121533155131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140121533155171) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 734779545 + ... + 734970218.

Almost surely, 2^{140121533155131} is an apocalyptic number.

140121533155131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140121533155131 is a deficient number, since it is larger than the sum of its proper divisors (90358745836293).

140121533155131 is a wasteful number, since it uses less digits than its factorization.

140121533155131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469749893 (or 1469749884 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 140121533155131 its reverse (131551335121041), we get a palindrome (271672868276172).

The spelling of 140121533155131 in words is "one hundred forty trillion, one hundred twenty-one billion, five hundred thirty-three million, one hundred fifty-five thousand, one hundred thirty-one".