140542434525 has 12 divisors (see below), whose sum is σ = 232363491872. Its totient is φ = 74955965040.

The previous prime is 140542434511. The next prime is 140542434547. The reversal of 140542434525 is 525434245041.

It is not a de Polignac number, because 140542434525 - 2⁴ = 140542434509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 936949489 + ... + 936949638.

Almost surely, 2^140542434525 is an apocalyptic number.

140542434525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140542434525 is a deficient number, since it is larger than the sum of its proper divisors (91821057347).

140542434525 is a wasteful number, since it uses less digits than its factorization.

140542434525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873899140 (or 1873899135 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 140542434525 its reverse (525434245041), we get a palindrome (665976679566).

The spelling of 140542434525 in words is "one hundred forty billion, five hundred forty-two million, four hundred thirty-four thousand, five hundred twenty-five".