139254557090 has 32 divisors (see below), whose sum is σ = 277296670080. Its totient is φ = 49924806400.

The previous prime is 139254557089. The next prime is 139254557131. The reversal of 139254557090 is 90755452931.

139254557090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 8907335 + ... + 8922954.

It is an arithmetic number, because the mean of its divisors is an integer number (8665520940).

Almost surely, 2^139254557090 is an apocalyptic number.

139254557090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139254557090 is a deficient number, since it is larger than the sum of its proper divisors (138042112990).

139254557090 is a wasteful number, since it uses less digits than its factorization.

139254557090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830378.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 139254557090 in words is "one hundred thirty-nine billion, two hundred fifty-four million, five hundred fifty-seven thousand, ninety".