137442770 has 32 divisors (see below), whose sum is σ = 261144000. Its totient is φ = 51938496.

The previous prime is 137442743. The next prime is 137442793. The reversal of 137442770 is 77244731.

It is a happy number.

137442770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137442770.

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, 87956 + ... + 89504.

It is an arithmetic number, because the mean of its divisors is an integer number (8160750).

Almost surely, 2^137442770 is an apocalyptic number.

137442770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137442770 is a deficient number, since it is larger than the sum of its proper divisors (123701230).

137442770 is a wasteful number, since it uses less digits than its factorization.

137442770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 137442770 is about 11723.5988501825. The cubic root of 137442770 is about 516.0684388321.

It can be divided in two parts, 1374 and 42770, that added together give a palindrome (44144).

The spelling of 137442770 in words is "one hundred thirty-seven million, four hundred forty-two thousand, seven hundred seventy".