137470749 has 8 divisors (see below), whose sum is σ = 197393952. Its totient is φ = 84597360.

The previous prime is 137470741. The next prime is 137470763. The reversal of 137470749 is 947074731.

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

It is not a de Polignac number, because 137470749 - 2³ = 137470741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137470749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137470741) 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, 1762407 + ... + 1762484.

It is an arithmetic number, because the mean of its divisors is an integer number (24674244).

Almost surely, 2^137470749 is an apocalyptic number.

It is an amenable number.

137470749 is a deficient number, since it is larger than the sum of its proper divisors (59923203).

137470749 is a wasteful number, since it uses less digits than its factorization.

137470749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524907.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 137470749 is about 11724.7920663865. The cubic root of 137470749 is about 516.1034548590.

The spelling of 137470749 in words is "one hundred thirty-seven million, four hundred seventy thousand, seven hundred forty-nine".