140535542420 has 48 divisors (see below), whose sum is σ = 363230329728. Its totient is φ = 44477182080.

The previous prime is 140535542417. The next prime is 140535542431. The reversal of 140535542420 is 24245535041.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 38606846 + ... + 38610485.

It is an arithmetic number, because the mean of its divisors is an integer number (7567298536).

Almost surely, 2^140535542420 is an apocalyptic number.

140535542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140535542420 is an abundant number, since it is smaller than the sum of its proper divisors (222694787308).

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

140535542420 is a wasteful number, since it uses less digits than its factorization.

140535542420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77217360 (or 77217358 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 140535542420 in words is "one hundred forty billion, five hundred thirty-five million, five hundred forty-two thousand, four hundred twenty".