140142051400 has 48 divisors (see below), whose sum is σ = 350894142900. Its totient is φ = 51744756480.

The previous prime is 140142051391. The next prime is 140142051409. The reversal of 140142051400 is 4150241041.

It is an interprime number because it is at equal distance from previous prime (140142051391) and next prime (140142051409).

It can be written as a sum of positive squares in 6 ways, for example, as 11190677796 + 128951373604 = 105786^2 + 359098^2 .

It is not an unprimeable number, because it can be changed into a prime (140142051409) 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, 26947795 + ... + 26952994.

Almost surely, 2^140142051400 is an apocalyptic number.

140142051400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140142051400 is an abundant number, since it is smaller than the sum of its proper divisors (210752091500).

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

140142051400 is a wasteful number, since it uses less digits than its factorization.

140142051400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53900818 (or 53900809 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 140142051400 its reverse (4150241041), we get a palindrome (144292292441).

The spelling of 140142051400 in words is "one hundred forty billion, one hundred forty-two million, fifty-one thousand, four hundred".