140171621533700 has 36 divisors (see below), whose sum is σ = 305930640839460. Its totient is φ = 55744552371840.

The previous prime is 140171621533637. The next prime is 140171621533709. The reversal of 140171621533700 is 7335126171041.

It can be written as a sum of positive squares in 6 ways, for example, as 19056490159876 + 121115131373824 = 4365374^2 + 11005232^2 .

It is not an unprimeable number, because it can be changed into a prime (140171621533709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4051185635 + ... + 4051220234.

Almost surely, 2^{140171621533700} is an apocalyptic number.

140171621533700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140171621533700 is an abundant number, since it is smaller than the sum of its proper divisors (165759019305760).

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

140171621533700 is a wasteful number, since it uses less digits than its factorization.

140171621533700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8102406056 (or 8102406049 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 140171621533700 in words is "one hundred forty trillion, one hundred seventy-one billion, six hundred twenty-one million, five hundred thirty-three thousand, seven hundred".