137973355 has 8 divisors (see below), whose sum is σ = 178304112. Its totient is φ = 101887968.

The previous prime is 137973347. The next prime is 137973361. The reversal of 137973355 is 553379731.

137973355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137973355 - 2³ = 137973347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061269 + ... + 1061398.

It is an arithmetic number, because the mean of its divisors is an integer number (22288014).

Almost surely, 2^137973355 is an apocalyptic number.

137973355 is a deficient number, since it is larger than the sum of its proper divisors (40330757).

137973355 is a wasteful number, since it uses less digits than its factorization.

137973355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122685.

The product of its digits is 297675, while the sum is 43.

The square root of 137973355 is about 11746.2059832101. The cubic root of 137973355 is about 516.7316641549.

The spelling of 137973355 in words is "one hundred thirty-seven million, nine hundred seventy-three thousand, three hundred fifty-five".