149388730702 has 4 divisors (see below), whose sum is σ = 224083096056. Its totient is φ = 74694365350.

The previous prime is 149388730639. The next prime is 149388730723. The reversal of 149388730702 is 207037883941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 207037883941 = 7 ⋅29576840563.

It is a self number, because there is not a number n which added to its sum of digits gives 149388730702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37347182674 + ... + 37347182677.

It is an arithmetic number, because the mean of its divisors is an integer number (56020774014).

Almost surely, 2^149388730702 is an apocalyptic number.

149388730702 is a deficient number, since it is larger than the sum of its proper divisors (74694365354).

149388730702 is an equidigital number, since it uses as much as digits as its factorization.

149388730702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74694365353.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 149388730702 in words is "one hundred forty-nine billion, three hundred eighty-eight million, seven hundred thirty thousand, seven hundred two".