140396468 has 12 divisors (see below), whose sum is σ = 247629312. Its totient is φ = 69645240.

The previous prime is 140396467. The next prime is 140396471. The reversal of 140396468 is 864693041.

140396468 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140396468² = 39422336453750048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140396461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137678 + ... + 138693.

It is an arithmetic number, because the mean of its divisors is an integer number (20635776).

Almost surely, 2^140396468 is an apocalyptic number.

It is an amenable number.

140396468 is a deficient number, since it is larger than the sum of its proper divisors (107232844).

140396468 is a wasteful number, since it uses less digits than its factorization.

140396468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276502 (or 276500 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 140396468 is about 11848.9015524647. The cubic root of 140396468 is about 519.7391048254.

The spelling of 140396468 in words is "one hundred forty million, three hundred ninety-six thousand, four hundred sixty-eight".