140527021408 has 24 divisors (see below), whose sum is σ = 288691382448. Its totient is φ = 67208575104.

The previous prime is 140527021381. The next prime is 140527021471. The reversal of 140527021408 is 804120725041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95465991 + ... + 95467462.

It is an arithmetic number, because the mean of its divisors is an integer number (12028807602).

Almost surely, 2^140527021408 is an apocalyptic number.

It is an amenable number.

140527021408 is an abundant number, since it is smaller than the sum of its proper divisors (148164361040).

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

140527021408 is a wasteful number, since it uses less digits than its factorization.

140527021408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190933486 (or 190933478 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

Adding to 140527021408 its reverse (804120725041), we get a palindrome (944647746449).

The spelling of 140527021408 in words is "one hundred forty billion, five hundred twenty-seven million, twenty-one thousand, four hundred eight".