139858045 has 16 divisors (see below), whose sum is σ = 170530560. Its totient is φ = 110096064.

The previous prime is 139858027. The next prime is 139858057. The reversal of 139858045 is 540858931.

It is a cyclic number.

It is not a de Polignac number, because 139858045 - 2¹¹ = 139855997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139857992 and 139858010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206247 + ... + 206923.

It is an arithmetic number, because the mean of its divisors is an integer number (10658160).

Almost surely, 2^139858045 is an apocalyptic number.

It is an amenable number.

139858045 is a deficient number, since it is larger than the sum of its proper divisors (30672515).

139858045 is an equidigital number, since it uses as much as digits as its factorization.

139858045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 139858045 is about 11826.1593512010. The cubic root of 139858045 is about 519.0738507156.

The spelling of 139858045 in words is "one hundred thirty-nine million, eight hundred fifty-eight thousand, forty-five".