140476901 has 4 divisors (see below), whose sum is σ = 144273612. Its totient is φ = 136680192.

The previous prime is 140476879. The next prime is 140476913. The reversal of 140476901 is 109674041.

140476901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109674041 = 79 ⋅1388279.

It can be written as a sum of positive squares in 2 ways, for example, as 105062500 + 35414401 = 10250^2 + 5951^2 .

It is a cyclic number.

It is not a de Polignac number, because 140476901 - 2¹⁰ = 140475877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140476991) 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, 1898300 + ... + 1898373.

It is an arithmetic number, because the mean of its divisors is an integer number (36068403).

Almost surely, 2^140476901 is an apocalyptic number.

It is an amenable number.

140476901 is a deficient number, since it is larger than the sum of its proper divisors (3796711).

140476901 is an equidigital number, since it uses as much as digits as its factorization.

140476901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796710.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 140476901 is about 11852.2951785720. The cubic root of 140476901 is about 519.8383385534.

The spelling of 140476901 in words is "one hundred forty million, four hundred seventy-six thousand, nine hundred one".