140290274 has 8 divisors (see below), whose sum is σ = 215568108. Its totient is φ = 68434240.

The previous prime is 140290247. The next prime is 140290277. The reversal of 140290274 is 472092041.

It can be written as a sum of positive squares in 2 ways, for example, as 95199049 + 45091225 = 9757^2 + 6715^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140290277) 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, 855347 + ... + 855510.

Almost surely, 2^140290274 is an apocalyptic number.

140290274 is a deficient number, since it is larger than the sum of its proper divisors (75277834).

140290274 is a wasteful number, since it uses less digits than its factorization.

140290274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710900.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 140290274 is about 11844.4195298883. The cubic root of 140290274 is about 519.6080305495.

The spelling of 140290274 in words is "one hundred forty million, two hundred ninety thousand, two hundred seventy-four".