137964802 has 4 divisors (see below), whose sum is σ = 206947206. Its totient is φ = 68982400.

The previous prime is 137964793. The next prime is 137964811. The reversal of 137964802 is 208469731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208469731 = 271 ⋅769261.

It is an interprime number because it is at equal distance from previous prime (137964793) and next prime (137964811).

It can be written as a sum of positive squares in only one way, i.e., 119224561 + 18740241 = 10919^2 + 4329^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491199 + ... + 34491202.

Almost surely, 2^137964802 is an apocalyptic number.

137964802 is a deficient number, since it is larger than the sum of its proper divisors (68982404).

137964802 is an equidigital number, since it uses as much as digits as its factorization.

137964802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68982403.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 137964802 is about 11745.8419025628. The cubic root of 137964802 is about 516.7209864961.

The spelling of 137964802 in words is "one hundred thirty-seven million, nine hundred sixty-four thousand, eight hundred two".