140274698312644 has 27 divisors (see below), whose sum is σ = 285559544826927. Its totient is φ = 60117656785704.

The previous prime is 140274698312599. The next prime is 140274698312647. The reversal of 140274698312644 is 446213896472041.

The square root of 140274698312644 is 11843762.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (140274698312647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 165389677 + ... + 166235659.

Almost surely, 2^{140274698312644} is an apocalyptic number.

140274698312644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140274698312644 is the 11843762-nd square number.

It is an amenable number.

140274698312644 is an abundant number, since it is smaller than the sum of its proper divisors (145284846514283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140274698312644 is an frugal number, since it uses more digits than its factorization.

140274698312644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691984 (or 845992 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 140274698312644 in words is "one hundred forty trillion, two hundred seventy-four billion, six hundred ninety-eight million, three hundred twelve thousand, six hundred forty-four".