140777001 has 32 divisors (see below), whose sum is σ = 212459520. Its totient is φ = 92115792.

The previous prime is 140776967. The next prime is 140777003. The reversal of 140777001 is 100777041.

It is not a de Polignac number, because 140777001 - 2⁷ = 140776873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140777003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620050 + ... + 620276.

It is an arithmetic number, because the mean of its divisors is an integer number (6639360).

Almost surely, 2^140777001 is an apocalyptic number.

It is an amenable number.

140777001 is a deficient number, since it is larger than the sum of its proper divisors (71682519).

140777001 is a wasteful number, since it uses less digits than its factorization.

140777001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 140777001 is about 11864.9484196098. The cubic root of 140777001 is about 520.2082511539.

The spelling of 140777001 in words is "one hundred forty million, seven hundred seventy-seven thousand, one".