137191470 has 32 divisors (see below), whose sum is σ = 354588192. Its totient is φ = 33770112.

The previous prime is 137191469. The next prime is 137191477. The reversal of 137191470 is 74191731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137191477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175497 + ... + 176276.

It is an arithmetic number, because the mean of its divisors is an integer number (11080881).

Almost surely, 2^137191470 is an apocalyptic number.

137191470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137191470 is an abundant number, since it is smaller than the sum of its proper divisors (217396722).

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

137191470 is a wasteful number, since it uses less digits than its factorization.

137191470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351796.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 137191470 is about 11712.8762479589. The cubic root of 137191470 is about 515.7537208845.

The spelling of 137191470 in words is "one hundred thirty-seven million, one hundred ninety-one thousand, four hundred seventy".