140455251406 has 16 divisors (see below), whose sum is σ = 212120485200. Its totient is φ = 69748528320.

The previous prime is 140455251359. The next prime is 140455251473. The reversal of 140455251406 is 604152554041.

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, 3403810 + ... + 3444826.

It is an arithmetic number, because the mean of its divisors is an integer number (13257530325).

Almost surely, 2^140455251406 is an apocalyptic number.

140455251406 is a deficient number, since it is larger than the sum of its proper divisors (71665233794).

140455251406 is a wasteful number, since it uses less digits than its factorization.

140455251406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52659.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 140455251406 in words is "one hundred forty billion, four hundred fifty-five million, two hundred fifty-one thousand, four hundred six".