140774973 has 32 divisors (see below), whose sum is σ = 204404736. Its totient is φ = 85935168.

The previous prime is 140774969. The next prime is 140774981. The reversal of 140774973 is 379477041.

It is not a de Polignac number, because 140774973 - 2² = 140774969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140774923) 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, 170640 + ... + 171462.

It is an arithmetic number, because the mean of its divisors is an integer number (6387648).

Almost surely, 2^140774973 is an apocalyptic number.

It is an amenable number.

140774973 is a deficient number, since it is larger than the sum of its proper divisors (63629763).

140774973 is a wasteful number, since it uses less digits than its factorization.

140774973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 140774973 is about 11864.8629574892. The cubic root of 140774973 is about 520.2057531431.

The spelling of 140774973 in words is "one hundred forty million, seven hundred seventy-four thousand, nine hundred seventy-three".