140455534 has 8 divisors (see below), whose sum is σ = 211309488. Its totient is φ = 70019040.

The previous prime is 140455531. The next prime is 140455559. The reversal of 140455534 is 435554041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140455496 and 140455505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140455531) 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, 103522 + ... + 104869.

It is an arithmetic number, because the mean of its divisors is an integer number (26413686).

Almost surely, 2^140455534 is an apocalyptic number.

140455534 is a deficient number, since it is larger than the sum of its proper divisors (70853954).

140455534 is a wasteful number, since it uses less digits than its factorization.

140455534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208730.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 140455534 is about 11851.3937576979. The cubic root of 140455534 is about 519.8119808417.

The spelling of 140455534 in words is "one hundred forty million, four hundred fifty-five thousand, five hundred thirty-four".