140205455430 has 16 divisors (see below), whose sum is σ = 336493093104. Its totient is φ = 37388121440.

The previous prime is 140205455389. The next prime is 140205455471. The reversal of 140205455430 is 34554502041.

It is an interprime number because it is at equal distance from previous prime (140205455389) and next prime (140205455471).

It is a junction number, because it is equal to n+sod(n) for n = 140205455391 and 140205455400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336757561 + ... + 2336757620.

It is an arithmetic number, because the mean of its divisors is an integer number (21030818319).

Almost surely, 2^140205455430 is an apocalyptic number.

140205455430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140205455430 is an abundant number, since it is smaller than the sum of its proper divisors (196287637674).

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

140205455430 is a wasteful number, since it uses less digits than its factorization.

140205455430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673515191.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 140205455430 its reverse (34554502041), we get a palindrome (174759957471).

It can be divided in two parts, 140205455 and 430, that added together give a triangular number (140205885 = T₁₆₇₄₅).

The spelling of 140205455430 in words is "one hundred forty billion, two hundred five million, four hundred fifty-five thousand, four hundred thirty".