137774069 has 8 divisors (see below), whose sum is σ = 146060568. Its totient is φ = 129507840.

The previous prime is 137774057. The next prime is 137774089. The reversal of 137774069 is 960477731.

137774069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 105987025 + 31787044 = 10295^2 + 5638^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137774069 - 2²⁴ = 120996853 is a prime.

It is a super-2 number, since 2×137774069² = 37963388177633522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137774029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10289 + ... + 19529.

It is an arithmetic number, because the mean of its divisors is an integer number (18257571).

Almost surely, 2^137774069 is an apocalyptic number.

It is an amenable number.

137774069 is a deficient number, since it is larger than the sum of its proper divisors (8286499).

137774069 is an equidigital number, since it uses as much as digits as its factorization.

137774069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 137774069 is about 11737.7199233923. The cubic root of 137774069 is about 516.4827585945.

The spelling of 137774069 in words is "one hundred thirty-seven million, seven hundred seventy-four thousand, sixty-nine".