140373457 has 8 divisors (see below), whose sum is σ = 164158016. Its totient is φ = 117521712.

The previous prime is 140373421. The next prime is 140373473. The reversal of 140373457 is 754373041.

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

It is not a de Polignac number, because 140373457 - 2⁷ = 140373329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140373157) 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, 232878 + ... + 233479.

It is an arithmetic number, because the mean of its divisors is an integer number (20519752).

Almost surely, 2^140373457 is an apocalyptic number.

It is an amenable number.

140373457 is a deficient number, since it is larger than the sum of its proper divisors (23784559).

140373457 is an equidigital number, since it uses as much as digits as its factorization.

140373457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466407.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 140373457 is about 11847.9304943944. The cubic root of 140373457 is about 519.7107081708.

The spelling of 140373457 in words is "one hundred forty million, three hundred seventy-three thousand, four hundred fifty-seven".