139762980 has 72 divisors (see below), whose sum is σ = 484516032. Its totient is φ = 31945536.

The previous prime is 139762969. The next prime is 139762981. The reversal of 139762980 is 89267931.

139762980 is a `hidden beast` number, since 13 + 9 + 7 + 629 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (139762981) 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 in 23 ways as a sum of consecutive naturals, for example, 54202 + ... + 56721.

Almost surely, 2^139762980 is an apocalyptic number.

139762980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139762980 is an abundant number, since it is smaller than the sum of its proper divisors (344753052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139762980 is a wasteful number, since it uses less digits than its factorization.

139762980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110945 (or 110940 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 139762980 is about 11822.1394002947. The cubic root of 139762980 is about 518.9562149125.

The spelling of 139762980 in words is "one hundred thirty-nine million, seven hundred sixty-two thousand, nine hundred eighty".