140977450 has 12 divisors (see below), whose sum is σ = 262218150. Its totient is φ = 56390960.

The previous prime is 140977433. The next prime is 140977451. The reversal of 140977450 is 54779041.

It can be written as a sum of positive squares in 3 ways, for example, as 134722449 + 6255001 = 11607^2 + 2501^2 .

It is not an unprimeable number, because it can be changed into a prime (140977451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1409725 + ... + 1409824.

Almost surely, 2^140977450 is an apocalyptic number.

140977450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140977450 is a deficient number, since it is larger than the sum of its proper divisors (121240700).

140977450 is a wasteful number, since it uses less digits than its factorization.

140977450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819561 (or 2819556 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 140977450 is about 11873.3925227797. The cubic root of 140977450 is about 520.4550380827.

The spelling of 140977450 in words is "one hundred forty million, nine hundred seventy-seven thousand, four hundred fifty".