140977455 has 8 divisors (see below), whose sum is σ = 225563952. Its totient is φ = 75187968.

The previous prime is 140977451. The next prime is 140977471. The reversal of 140977455 is 554779041.

It is a happy number.

140977455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140977455 - 2² = 140977451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140977451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699234 + ... + 4699263.

It is an arithmetic number, because the mean of its divisors is an integer number (28195494).

Almost surely, 2^140977455 is an apocalyptic number.

140977455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140977455 is a deficient number, since it is larger than the sum of its proper divisors (84586497).

140977455 is an equidigital number, since it uses as much as digits as its factorization.

140977455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398505.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 140977455 is about 11873.3927333345. The cubic root of 140977455 is about 520.4550442357.

The spelling of 140977455 in words is "one hundred forty million, nine hundred seventy-seven thousand, four hundred fifty-five".