140152424 has 8 divisors (see below), whose sum is σ = 262785810. Its totient is φ = 70076208.

The previous prime is 140152423. The next prime is 140152427. The reversal of 140152424 is 424251041.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 64288324 = 8710^2 + 8018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 140152424.

It is not an unprimeable number, because it can be changed into a prime (140152423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8759519 + ... + 8759534.

Almost surely, 2^140152424 is an apocalyptic number.

It is an amenable number.

140152424 is a deficient number, since it is larger than the sum of its proper divisors (122633386).

140152424 is a wasteful number, since it uses less digits than its factorization.

140152424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17519059 (or 17519055 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 140152424 is about 11838.5989035865. The cubic root of 140152424 is about 519.4377848666.

The spelling of 140152424 in words is "one hundred forty million, one hundred fifty-two thousand, four hundred twenty-four".