137445179390 has 32 divisors (see below), whose sum is σ = 261092052000.
Its totient is φ = 51950567808.
The previous prime is 137445179381. The next prime is 137445179413. The reversal of 137445179390 is 93971544731.
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, 855905 + ... + 1003724.
It is an arithmetic number, because the mean of its divisors is an integer number (8159126625).
Almost surely, 2137445179390 is an apocalyptic number.
137445179390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
137445179390 is a deficient number, since it is larger than the sum of its proper divisors (123646872610).
137445179390 is a wasteful number, since it uses less digits than its factorization.
137445179390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1860044.
The product of its (nonzero) digits is 2857680, while the sum is 53.
The spelling of 137445179390 in words is "one hundred thirty-seven billion, four hundred forty-five million, one hundred seventy-nine thousand, three hundred ninety".