140402771 has 8 divisors (see below), whose sum is σ = 144016704. Its totient is φ = 136815040.

The previous prime is 140402729. The next prime is 140402789. The reversal of 140402771 is 177204041.

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

It is a cyclic number.

It is not a de Polignac number, because 140402771 - 2⁶ = 140402707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140402771.

It is not an unprimeable number, because it can be changed into a prime (140401771) 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, 4541 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (18002088).

Almost surely, 2^140402771 is an apocalyptic number.

140402771 is a deficient number, since it is larger than the sum of its proper divisors (3613933).

140402771 is a wasteful number, since it uses less digits than its factorization.

140402771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 140402771 is about 11849.1675235014. The cubic root of 140402771 is about 519.7468824820.

The spelling of 140402771 in words is "one hundred forty million, four hundred two thousand, seven hundred seventy-one".