140300034401421 has 20 divisors (see below), whose sum is σ = 209587747822332. Its totient is φ = 93531684581568.

The previous prime is 140300034401419. The next prime is 140300034401477. The reversal of 140300034401421 is 124104430003041.

140300034401421 is a `hidden beast` number, since 1 + 4 + 0 + 300 + 0 + 344 + 0 + 14 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129694265178921 + 10605769222500 = 11388339^2 + 3256650^2 .

It is not a de Polignac number, because 140300034401421 - 2¹ = 140300034401419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140300034401521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10910256 + ... + 19990841.

Almost surely, 2^{140300034401421} is an apocalyptic number.

It is an amenable number.

140300034401421 is a deficient number, since it is larger than the sum of its proper divisors (69287713420911).

140300034401421 is an equidigital number, since it uses as much as digits as its factorization.

140300034401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957162 (or 30957153 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140300034401421 its reverse (124104430003041), we get a palindrome (264404464404462).

The spelling of 140300034401421 in words is "one hundred forty trillion, three hundred billion, thirty-four million, four hundred one thousand, four hundred twenty-one".