139880392545 has 16 divisors (see below), whose sum is σ = 236973841920. Its totient is φ = 70214471424.

The previous prime is 139880392543. The next prime is 139880392559. The reversal of 139880392545 is 545293088931.

It is a happy number.

It is not a de Polignac number, because 139880392545 - 2¹ = 139880392543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139880392543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274275025 + ... + 274275534.

It is an arithmetic number, because the mean of its divisors is an integer number (14810865120).

Almost surely, 2^139880392545 is an apocalyptic number.

139880392545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139880392545 is a deficient number, since it is larger than the sum of its proper divisors (97093449375).

139880392545 is a wasteful number, since it uses less digits than its factorization.

139880392545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548550584.

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 139880392545 in words is "one hundred thirty-nine billion, eight hundred eighty million, three hundred ninety-two thousand, five hundred forty-five".