139604126145498 has 128 divisors (see below), whose sum is σ = 355200879306240. Its totient is φ = 39813724661760.

The previous prime is 139604126145481. The next prime is 139604126145619. The reversal of 139604126145498 is 894541621406931.

139604126145498 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 0 + 4 + 1 + 2 + 614 + 5 + 4 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 829524936 + ... + 829693212.

It is an arithmetic number, because the mean of its divisors is an integer number (2775006869580).

Almost surely, 2^{139604126145498} is an apocalyptic number.

139604126145498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 139604126145498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177600439653120).

139604126145498 is an abundant number, since it is smaller than the sum of its proper divisors (215596753160742).

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

139604126145498 is a wasteful number, since it uses less digits than its factorization.

139604126145498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172309 (or 172303 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

Adding to 139604126145498 its sum of digits (63), we get a square (139604126145561 = 11815419²).

The spelling of 139604126145498 in words is "one hundred thirty-nine trillion, six hundred four billion, one hundred twenty-six million, one hundred forty-five thousand, four hundred ninety-eight".