140677972 has 6 divisors (see below), whose sum is σ = 246186458. Its totient is φ = 70338984.

The previous prime is 140677949. The next prime is 140677973. The reversal of 140677972 is 279776041.

It can be written as a sum of positive squares in only one way, i.e., 85858756 + 54819216 = 9266^2 + 7404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140677973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17584743 + ... + 17584750.

Almost surely, 2^140677972 is an apocalyptic number.

It is an amenable number.

140677972 is a deficient number, since it is larger than the sum of its proper divisors (105508486).

140677972 is a wasteful number, since it uses less digits than its factorization.

140677972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35169497 (or 35169495 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 140677972 is about 11860.7745109668. The cubic root of 140677972 is about 520.0862430921.

The spelling of 140677972 in words is "one hundred forty million, six hundred seventy-seven thousand, nine hundred seventy-two".