140001377 has 4 divisors (see below), whose sum is σ = 143785236. Its totient is φ = 136217520.

The previous prime is 140001359. The next prime is 140001401. The reversal of 140001377 is 773100041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103144336 + 36857041 = 10156^2 + 6071^2 .

It is a cyclic number.

It is not a de Polignac number, because 140001377 - 2¹⁰ = 140000353 is a prime.

It is a super-2 number, since 2×140001377² = 39200771123792258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140001577) 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, 1891874 + ... + 1891947.

It is an arithmetic number, because the mean of its divisors is an integer number (35946309).

Almost surely, 2^140001377 is an apocalyptic number.

It is an amenable number.

140001377 is a deficient number, since it is larger than the sum of its proper divisors (3783859).

140001377 is an equidigital number, since it uses as much as digits as its factorization.

140001377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783858.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 140001377 is about 11832.2177549266. The cubic root of 140001377 is about 519.2511125758.

The spelling of 140001377 in words is "one hundred forty million, one thousand, three hundred seventy-seven".