140454770 has 32 divisors (see below), whose sum is σ = 263621952. Its totient is φ = 53831232.

The previous prime is 140454749. The next prime is 140454773. The reversal of 140454770 is 77454041.

It is not an unprimeable number, because it can be changed into a prime (140454773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19709 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (8238186).

Almost surely, 2^140454770 is an apocalyptic number.

140454770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140454770 is a deficient number, since it is larger than the sum of its proper divisors (123167182).

140454770 is a wasteful number, since it uses less digits than its factorization.

140454770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 140454770 is about 11851.3615251582. The cubic root of 140454770 is about 519.8110383439.

The spelling of 140454770 in words is "one hundred forty million, four hundred fifty-four thousand, seven hundred seventy".