140121410 has 32 divisors (see below), whose sum is σ = 296315712. Its totient is φ = 47033280.

The previous prime is 140121407. The next prime is 140121427. The reversal of 140121410 is 14121041.

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, 47564 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (9259866).

Almost surely, 2^140121410 is an apocalyptic number.

140121410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140121410 is an abundant number, since it is smaller than the sum of its proper divisors (156194302).

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

140121410 is a wasteful number, since it uses less digits than its factorization.

140121410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98018.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 140121410 is about 11837.2889632720. The cubic root of 140121410 is about 519.3994669851.

Adding to 140121410 its reverse (14121041), we get a palindrome (154242451).

The spelling of 140121410 in words is "one hundred forty million, one hundred twenty-one thousand, four hundred ten".